音标:[mju:'teiʃәn] ;
n. 变化, 突变, 元音变化
[化] 突变
n. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
n. a change or alteration in form or qualities
词型变化:名词复数形式 : mutations
考试类型:[托福/IELTS]
词性分布:
名词100%

mutation的用法和样例:

例句

用作名词(n.)
  1. Our teacher has mutation of sounds suddenly.我们的老师突然语音发生了变化。
  2. A change, or mutation, happens when the order of the letters changes.当这些字母的排列顺序有所变化时,就会发生基因突变。
  3. People who have this mutation need less sleep than others.有这种突变的人需要的睡眠比其他人少。
  4. The mutations in plants caused by radiation have been found in experiments.放射线引起植物变异已在实验中被证实。
  5. This mutation makes it better adapted than the other four pigs.这种变异使它的适应能力比其他四只猪更强。

词汇搭配

  • suppressor mutation抑制基因突变,抑制因...
  • conditional mutation附条件突变
  • random mutation随机突变
  • point mutation点突变
  • lethal mutation致死性突变,致死突变...
  • back mutation复原突变,反突变,回...
  • recessive mutation隐性突变
  • mutation pressure突变压力
  • visible mutation可见突变
  • sporadic mutation自然突变
  • cytoplasmic mutation细胞质突变
  • bud mutation芽变
  • dominant mutation显性突变
  • nonsense mutation无义突变
  • amber mutation琥珀突变
  • ochre mutation舣突变
  • spontaneous mutation自发突变,自然突变...
  • silent mutation不活动突变
  • polar mutation极性突变
  • mutation rate突变率,突变速率...

经典引文

  • I had never thought of him having dinner with his family..but time brings odd mutations.

    出自:J. Didion
【近义词】

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(56) / 评论(0) 分类 2016年VOA慢速英语(三)月

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(72) / 评论(0) 分类 TED演讲国际问题篇

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(80) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(二)月

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(67) / 评论(0) 分类 英语听力广播—Listening

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(六)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(126) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(62) / 评论(0) 分类 VOA慢速英语2008年(五)月

Mosquito-Borne Viruses Spread Across the World 蚊子把病毒传向全世界 From VOA Learning English, this is the Health and Lifestyle report. A virus with a strange-sounding name has been around for a long time but only in parts of the world. Now

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2015年VOA慢速英语(六)月

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2016年VOA慢速英语(二)月

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(112) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(96) / 评论(0) 分类 经济学人科技系列

A cat who prefers to stand up on two paws has become the latest feline internet sensation, thanks to his super strong back legs. 最近有一只猫在网上迅速蹿红,它用两只后腿站立的萌姿俘获了大批网友。 George, the Munchkin-

发表于:2019-02-09 / 阅读(48) / 评论(0) 分类 阅读空间

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么? Well as you know, genes, which are part of the DNA, 正如大家所知,基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(95) / 评论(0) 分类 TED演讲科学篇

SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were

发表于:2019-02-16 / 阅读(149) / 评论(0) 分类 英语语言学习

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 阅读空间

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始

发表于:2019-02-21 / 阅读(121) / 评论(0) 分类 人物杂志

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(141) / 评论(0) 分类 人物杂志
学英语单词
Abu Zaby,Abu Zabi
allow a discount
amidinothiourea
announcing signal
anti-oxidant
aplat
assistant referee
axosomatic synapse
back in the day
bardaches
battery anti-aircraft battery
behalves
Brescian
Brit-
cadaveric reaction
cavagna
charitable causes
Chichevache
clun
contest weight
damage control bills
dawish
decoys
direct labo(u)r hour
disworshipped
electric(al) (dust) precipitator
elongation viscosity
Eurostocks
exhaustive sufficient estimator
extensive root system
for every
foremeant
form of music
fortuning
Furubira
gang war
God's bones
hardware context
heterosynaptic facilitation
I. C.
image encoding
inequability
invertin
jinggangshanensis
krebs citric-acid cycle
Ldr
leading dominant
low bias
lung channel of hand-Taiyin
major grid
memory hierarchy
mesityl alcohol
milton-jones
mobile satellite
monkdom
motion picture negative film
nervus cutaneus colli
network compromise
Neviges
NHRIC
odor inhibitor
one-stoplight
open ion pair
options market maker
Ostashkovskiy Rayon
otosteal
pacay
petrol capacity
Phishhead
Port-Bouët
posterior thyro-arytenoid ligament
pressing machine
promed
prontosil album
pulp filter
qualified plan
rebukest
red chalk
rhenopalite
Ribeirão do Salto
seize an opportunity
ship's weather instrument
sound head
sphilitic
st. marys fa.
stamina column
stand stay
tacit knowledge
Tax Man.
tennis
text manipulation
time and a half
to the contrary
top usable frequency
transfer student
UDC (universal decimal classification)
Ulithi Atoll
vapour-bath
vernase
vertebral fracture
Villarquemado
Windows Server