血管迷走[神经]反射

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(148) / 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(101) / 评论(0) 分类 英语听力文摘 English Digest

Maria Sharapova was born in Siberia, Russia, in 1987. She led a charge of Russian players who came to achieve great success in the womens game. She has also brought her own brand of glamour to tennis by designing her own unique tennis outfits. At the

发表于:2019-01-01 / 阅读(125) / 评论(0) 分类 各国名人英文介绍

BEIJING, Oct. 5 (Xinhua) -- Elena Vesnina of Russia eliminated(消除,排除) her compatriot Maria Sharapova 7-6(3), 6-2 in the second round of China Open here on Tuesday. As a former world number one and the 12th seed in Beijing, Sharapova was l

发表于:2019-01-07 / 阅读(122) / 评论(0) 分类 英语新闻

On June 6, 1944 over 150,000 Allied troops landed on the beaches of Normandy, in northern France, in a push to liberate Europe from Hitler's Nazi forces. Now, 65 years later, the memories of that day linger along that windswept coast and its quiet v

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2009年(六月)

Study: Stop-Smoking Aid Ups Cardiovascular Risks An analysis of more than a dozen drug studies finds that smokers who take the drug Chantix to help them kick the habit face significantly higher risks of cardiovascular problems including stroke, heart

发表于:2019-01-14 / 阅读(166) / 评论(0) 分类 VOA标准英语2011年(七月)

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(150) / 评论(0) 分类 TED演讲教育篇

Olivia: Dad, can I ask you a question? Dad: You just did. Olivia: I mean, can I ask you another question? Dad: Ask away . Olivia: Where do babies come from? Dad: What? Where did you come up with that one? Olivia: I don't know. Dad: Let me tell you .

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 地道美语播客

少女米奇桃瑞斯(Demi Lovato)的梦想是成为一名歌手,她非常希望能参加一个很有名的音乐夏令营去见识一下。可是参加这个音乐夏令营的费用极其高昂,米奇根本负担不起。庆幸的是,米奇的母亲在夏令营找到了一份厨师的工作,这样米奇也可以借口在厨房帮忙混了进来。一次

发表于:2019-02-06 / 阅读(206) / 评论(0) 分类 音乐咖啡厅

DOHA, Feb. 12 (Xinhua) -- Maria Sharapova easily reached the third round of the Qatar Open on Tuesday, beating French qualifier Caroline Garcia 6-3, 6-2. The third-ranked Russian, who won the tournament in her two previous appearances, broke Garcia t

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 英语新闻

By Peter Heinlein United Nations 14 February 2007 The United Nations development aid agency has appointed tennis star Maria Sharapova as a goodwill ambassador. From U.N. headquarters, VOA's Peter Heinlein reports Ms. Sharapova made a cash donation to

发表于:2019-02-07 / 阅读(184) / 评论(0) 分类 2007年VOA标准英语(二月)

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(128) / 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(133) / 评论(0) 分类 英文语法词汇

RACHEL MARTIN, HOST: Even with all the VA clinics and hospitals, that $180 billion budget for the U.S. Department of Veterans Affairs, even with all those resources, the day-in-and-day-out care of disabled veterans often falls to their own family mem

发表于:2019-02-13 / 阅读(133) / 评论(0) 分类 2017年NPR美国国家公共电台4月

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(80) / 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(122) / 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(198) / 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(120) / 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(141) / 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(292) / 评论(0) 分类 英文语法词汇
学英语单词
a Bill of Oblivion
acceleratory reflex
Alzheimer's stain
amphibious group
anthalazine
Auraiya
blender grinder
brevispira
butyryl-
calorimeter of fusion
candystore
carcase work
carcinoma of urinary bladder
carinulate
cartographic scanner
Casilan
cavity detuning
Chamaesium viridiflorum
Clematis liboensis
compound reinforcement
conjugated system of bonds
Convas Container
convection current
corneal spaces
costa rei
crossed-spring balance
crottin
crude oil washing installation
cut under
Damocloids
die of
diversity effect
dynamic plate impedance
earnings
eastling, eastlin
electrochemical NOx meter
excess noise contribution
extension of endomorphism
factory-like production in livestock husbandry
flyweight
found wide use
full shroud
h-strophanthin
hairt
Hanford thermite process
hardness index by standard drum test
Hermeskeil
high power op. amps
high velocity steel
high-blooded
hoop cutter
hp (high pass)
Hubbed mode
idle work
inclined transfer tube
indicated instrument
land-dwellings
light intersection method
llwl (low-low water level)
magma province
main technical details
Methybrom
microwave hologram radar
Newagen
nitidula
non-intersecting
obligate bipeds
organometal catalyst
Panacid
pole change motor
pseudoperithecium
purchase commitment report
quantitywise
quasi public corporation
raiseing
re-capture
remedyless
repair outage
retrodirector
right off the reel
RSSC
rubber supported screen
Salvia lankongensis
Saussurea malitiosa
secret ballots
securing loop
simiiforms
SLT-1
spatial exclusion chromatography
spurious image
suck-ups
suspend task
tailings
Tanagra figure
thermal gas lens measurements
transmission loss
transporting velocity
Trichobilharzia
tripps
unassailableness
wamani
whittman