氨基糖苷钝化酶

Review Exercise D; Modifying Set Phrases CD 3 Track 62 When you modify a set phrase, you maintain the same pattern, leaving the new adjective unstressed. 图片1 图片2

发表于:2018-12-03 / 阅读(69) / 评论(0) 分类 标准美语发音的13个秘诀 CD3

Three-Word Phrases Review Exercise C: Modifying Descriptive Phrases CD 3 Track 61 When you modify a descriptive phrase by adding an adjective or adverb, you maintain the originalintonation pattern and simply add an additional stress point. 图片1

发表于:2018-12-03 / 阅读(63) / 评论(0) 分类 标准美语发音的13个秘诀 CD3

Combat Dark Under Eye Circles 01 战胜黑眼圈 01 对付黑眼圈的方法 土豆泥能够减轻黑眼圈。土豆含有邻苯二酚酶,化妆品中用它作为美白皮肤的物质。 把一个土豆在食物加工机中绞碎,然后将生土豆泥包裹在一块奶酪布里。 把包有土豆泥的布敷在眼睛下方,持续15至20分钟

发表于:2018-12-05 / 阅读(154) / 评论(0) 分类 美容时尚英语

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(107) / 评论(0) 分类 万花筒2006年

Grammar Girl here. Today, guest-writer Bonnie Trenga helps us understand modifiers that come at the beginning of a sentence. Bonnie says, As a guest-writer, I plan to talk about two kinds of troublesome modifiers that begin a sentence. Like many of y

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. I'm so glad to be back. Today's topic is wordiness. I've heard from a lot of you who have pet peeves about different wordy phrases, and it's a lot of fun to hear what gets under people's skin and why. Here's one example from Lara i

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 英语语法 Grammar Girl

From VOA Learning English, this is the Health Lifestyle report. Many Americans have toasted bread first thing in the morning. For some, the morning meal also includes hash browned potatoes. Or later in the day, they might enjoy potato chips or crispy

发表于:2019-01-02 / 阅读(202) / 评论(0) 分类 2017年VOA慢速英语(三)月

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(三)月

STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C

发表于:2019-01-17 / 阅读(126) / 评论(0) 分类 2018年NPR美国国家公共电台11月

This just in: Thief robs town with world's largest chocolate bunny. 最新消息:窃贼洗劫了城镇(有/用)世界上最大的巧克力兔子。 Wait, so are we talking about this, or this? 等等,我们是在讨论这个,还是这个?

发表于:2019-01-17 / 阅读(49) / 评论(0) 分类 TED演讲教育篇

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(169) / 评论(0) 分类 实用英语

This is SCIENCE FRIDAY, I'm Ira Flatow. Here's some news to raise a glass to: the idea that red wine may help us live longer and healthier lives. Well, it got a new boost this week. According to a team of researchers, a compound found in the skin of

发表于:2019-01-24 / 阅读(206) / 评论(0) 分类 英语语言学习

Technology Prevention of cancer Wonder drug 科技 癌症预防 灵丹妙药 Aspirin continues to amaze 阿司匹林:继续给你惊喜 FOR thousands of years aspirin has been humanity's wonder drug. 阿司匹林作为人类的特效药实际上已存

发表于:2019-01-26 / 阅读(86) / 评论(0) 分类 经济学人商业系列

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 英语语法 Grammar Girl

能够帮你提高记忆力的7种食物

发表于:2019-02-01 / 阅读(138) / 评论(0) 分类 实用英语

Women who ate soy regularly as children have a lower risk of breast cancer, American researchers report. And men who eat fish several times a week have a lower risk of colon cancer, a second team of researchers have told the American Association for

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

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(115) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
-istically
abjunctive
accuse ... of
acreage planted
akimiski island
amputations
arctic barren
attacheth
backup buzzer
bankette
bettag
biotussal
blade bearing
Bolfortan
bowdensine
bridgewaters
coding triplet
composite variety
condition code operation
contact voltage breakdown
curliness
cutoff wavelength
deadended
digital audio inputs
durieuxes
electric cautery
equiangular polygon
ex-stepparents
fiber-optic
forcing down
friction resistance
Gandhiists
gappy
ginglymi
green mushroom pimple
Hahnstätten
halloysitum rubra
hand throttle wire
heterometallic
hiam
hocus
hung ceiling
hypothetical order code
Hålandsdal
immunizability
intra vires
intubationist
isanomalic
juniper networks
Keloidal blastemycosis
La Leona
leading effect
mine machine oil
mining environment
mixed signals
moist ash-free basis
mokel
multialgorithmic
naut mi
on appeal
open wounds
optional obligation
organo-elemental analysis
over-awning
phatyngoepiglotticus
phellodendroside
photo-opportunity
Pleuromya
preapproving
precogitations
prestowitz
railroad subrogation waiver clause
reduction of gravity
regional-ileitis
reluctance force
renaissance cloth
replicate sub-sample
restraint of loads
reticuloendothelial cell
river run gravel
rode off
scalene muscles
sesquioxidize
silk manufactures
silver-zinc accumulator
simply supported plate
slipping bar composite support
soft-drawn
spindle-shapeds
St Paul
state of trade
subpoint track
substituting degree
super high pressure-charging
Sutherland Ra.
tachometer roller
to it
tragulus kanchils
travel(l)er of kelly
tricresol phosphate
Vessel on Demurrage
Yeed