化学感受器反射

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but there may be an actual biological

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic

发表于:2018-12-24 / 阅读(228) / 评论(0) 分类 Scientific American(二)月

What Are Reflexes? If youve ever blinked at a sudden light, jerked your hand away from something hot, or jumped at a loud noise, then you know that these are not actions we consciously plan. Rather, they happen involuntarily. Such sudden, unconscious

发表于:2018-12-31 / 阅读(172) / 评论(0) 分类 英语听力文摘 English Digest

By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin

发表于:2019-01-03 / 阅读(189) / 评论(0) 分类 VOA2004(下)--健康科技

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(248) / 评论(0) 分类 Scientific American(三)月

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 Scientific American(六)月

DAVID GREENE, HOST: Today in Your Health, we're taking a close look at chemotherapy. It's been a mainstay of cancer treatment for decades, but that method is slowly being edged aside in medical research as new treatments, like immunotherapy, grab the

发表于:2019-01-08 / 阅读(255) / 评论(0) 分类 2017年NPR美国国家公共电台3月

疟疾疫苗研制取得新进展 British researchers have discovered a biochemical key used by the malaria parasite to invadehuman blood cells. The discovery could pave the way for an effective malaria vaccine. ThePlasmodium malaria parasite has a c

发表于:2019-01-14 / 阅读(299) / 评论(0) 分类 VOA标准英语2016年(八月)

The gas stings Iris, and suddenly, she can't help it, she starts weeping uncontrollably. 这种气体刺激着虹膜,来势汹汹,她无力阻止,于是她开始控制不住地大哭。 These reflex tears are different from the basal tears that

发表于:2019-01-17 / 阅读(223) / 评论(0) 分类 TED演讲教育篇

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(232) / 评论(0) 分类 经济学人科技系列

By Benjamin Sand Islamabad 16 March 2007 Tension is mounting throughout much of Pakistan as protests continue over the controversial suspension of the country's top judge. From Islamabad, VOA correspondent Benjamin Sand reports the chief justice vows

发表于:2019-02-03 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(三月)

Charcot-Marie-Tooth disease Chinese腓骨肌萎缩征 Chassalgnac's tubercle Chinese夏桑亚克结节(第六颈椎横突的颈动脉结节) chemical synapse Chinese化学突触 Cheyne-Stokes nystagmus Chinese节律性眼球震颤 chiasmatic cistern Chinese交叉池 childhood dystrophy C

发表于:2019-02-07 / 阅读(188) / 评论(0) 分类 英文语法词汇

ganglioglioneuroma Chinese神经节胶质神经瘤 gangliolysis Chinese神经节阻滞 ganglion Chinese神经节 ganglioside Chinese神经节苷脂 gangliosidoses Chinese神经节苷脂沉积症 gangreneChinese 坏疽 ganimalon Chinese r-氨酪酸 Ganser's commissure Chinese甘塞氏连

发表于:2019-02-07 / 阅读(201) / 评论(0) 分类 英文语法词汇

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(196) / 评论(0) 分类 TED演讲科学篇

Sleep On, Sneeze Not 睡觉的时候不会打喷嚏 The signs are unmistakabl e : the eyes water, the chest heave s , the nose twitch es , the body tenses, suspense builds until finally a sneeze blasts forth, concluding the drama. It's a momentarily

发表于:2019-02-16 / 阅读(134) / 评论(0) 分类 英语听力文摘 English Digest

A new flexible smartphone design could change the way users interact with their devices. ReFlex, developed by researchers at Queen's University, uses 'bend sensors' to control app interactions, and simulates physical forces through detailed vibration

发表于:2019-02-17 / 阅读(191) / 评论(0) 分类 英语新闻

After having spent a fast year Waiting for the next time I can get you close I grew used to being back here Like a chorus synth line soldier at his post You call and I respond The sparrow and the song I miss you when you're gone When I am alone I See

发表于:2019-02-18 / 阅读(270) / 评论(0) 分类 音乐咖啡厅

The signs are unmistakable: the eyes water, the chest heaves, the nose twitches, the body tenses, suspense builds... until finally a sneeze blasts forth, concluding the drama. It's a momentarily paralyzing experience that can seize one at almost any

发表于:2019-02-23 / 阅读(188) / 评论(0) 分类 英语时差8,16

Pre-Listening Vocabulary involuntary: occurs without ones control (e.g. a reflex) contagious: spreads from one person to another empathy: the understanding or acknowledgment of another persons feelings phenomenon: an observance in nature (often causi

发表于:2019-02-27 / 阅读(214) / 评论(0) 分类 趣谈英语

illogical attitude Chinese不自然姿势(癔症性癫痫) illusion Chinese错觉 imbecility Chinese痴愚 imipramine Chinese丙咪嗪 impinge Chinese侵犯 impotence Chinese阳萎 incisura Chinese切迹 incitogram Chinese冲动发放 inclusion body encephalitis Chinese包涵体

发表于:2019-03-13 / 阅读(376) / 评论(0) 分类 英文语法词汇
学英语单词
alginic fiber
aluminc acid
anaerobiosis
angiofibroblastoma
antimanic drug
aonidiella messengeri
automatic explosion suppression system
barranca, barrancas
Bassini herniorrhaphy
belotti
bidirectional line switch ring
blaze down
brochure
canonization
cawelti
ceride
charcoal-broiled
circulating macrophage
coal pneumatic separation
code relay
collecting terms
commutator core
condensate return system
condition name condition
cost of repair and maintenance
deafferentation
dopa decarboxylase
e.m.u. (electromagnetic unit)
electrical stability
electromagnetic vibrating conveyor
eumc
footstalks
Gaussian lens formula
Guadeloupians
Hadarezer
helsinki principle
hob slide
hyothyroid membrane (or thyro-hyoid membrane)
intermittent drying
L cathode
ladang
Lakes the
lickerous
liquid fuse
list of reinforcement
maeasurement
Manchester United
Marianne Moore
market hypothesis test
mega-sheds
metroperionitis
money instrument
mouht
moving link
Muntz-metal
myomata
nathaniel bacon
neutron scatter plug
nonscanning
north american free trade agreements
object of assessment
operation characteristics
optical density of cloud
oreganoes
paraffin base lubricating oil
pardner
pay channel
pericorneal ring
pivettas
planed lumber
power law spectrum
quinize
ralston-purina
real estate binder
refraction seismic
reinforcing tape
sale of land
scruplesome
seebeck propagation
separate head
shaft-cup spring
side-whiskerss
Simonszand
sound team
soup to nuts
Space-Occupying
steering circuit
sternotracheal
stinkbomb
swallowingcapacity
T number
telegraph sounder
temperature-compensated
temporal plain
Ti-Tre
tight joint
twin-size Cannon ball bed
wandering block sequence
weigley
wheeme
yeasaying
Ymir