胚胎毒性

AILSA CHANG, HOST: Scientists say they have solved a mystery about the Zika virus. They think they've figured out why the virus became a global threat all of a sudden and started causing severe birth defects. As NPR's Michaeleen Doucleff reports, the

发表于:2018-12-02 / 阅读(287) / 评论(0) 分类 2017年NPR美国国家公共电台9月

-There are at least pieces of evidence which show really serious impacts from levels of neonicotinoids that bees, wild bees could be exposed to in wild environment.And the arguement against the ban was laid out by one of the pesticide manufacturers.

发表于:2018-12-03 / 阅读(257) / 评论(0) 分类 探索与发现2013年

Hello. My name is Birke Baehr, and Im 11 years old. I came here today to talk about whats wrong with our food system. First of all, I would like to say that Im really amazed at how easily kids are led to believe all the marketing and advertising on T

发表于:2018-12-04 / 阅读(272) / 评论(0) 分类 听一分钟英文-I

Hello. My name is Birke Baehr, and I'm 11 years old. I came here today to talk about what's wrong with our food system. First of all, I would like to say that I'm really amazed at how easily kids are led to believe all the marketing and advertising o

发表于:2018-12-04 / 阅读(213) / 评论(0) 分类 英语语言学习

Improve Your Writing by Using Concept Maps English learners face a common problem: their writing often lacks clarity and cohesion. That is according to Babi Kruchin and Alan Kennedy who teach at the American Language Program at Columbia University. T

发表于:2018-12-16 / 阅读(277) / 评论(0) 分类 2016年VOA慢速英语(九)月

And there's actually an entire industry that is in some ways based on anthropomorphizing well,and that is the psychopharmaceutical industry. 其实有一整个行业。基于贴切的拟人化那就是精神药物的行业。 One in five Americans is

发表于:2018-12-18 / 阅读(200) / 评论(0) 分类 TED演讲科学篇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 facilitate [ fE5siliteit ] The broken

发表于:2018-12-30 / 阅读(305) / 评论(0) 分类 每日攻克5词

Sacrificed to Science? Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of

发表于:2018-12-31 / 阅读(241) / 评论(0) 分类 有声英文阅读

今年4月23日,法国人民就要投票选出新一任的总统了。可是,大家发现,今年的几位候选人都不怎么行。弗朗索瓦?菲永(Francois Fillon)因陷入家人吃空饷的丑闻,民调持续走低;极右翼候选人马

发表于:2019-01-03 / 阅读(225) / 评论(0) 分类 阅读空间

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(319) / 评论(0) 分类 医学英语

有些说明书较详细地介绍药品的药理作用(Pharmacological Actions)。其内容主要包括药理作用、临床药理(Clinical Parmacology)、体外试验(in vitro experiments)、药物代谢(Metabolism)、药效(Potenc

发表于:2019-01-08 / 阅读(381) / 评论(0) 分类 医学英语

In defense of science, truth Bi Xiaotian acquired a new habit recently. Every time he opens his web browser, he checks the entry of paraxylene (PX) on Baidu Baike. As one of the participants in correcting the Baidu entry in early April, the 22-year-o

发表于:2019-01-08 / 阅读(262) / 评论(0) 分类 英语笔译

AS IT IS 2015-07-02 Drug-Resistant Tuberculosis Less Likely to Spread 耐药结核病传播的可能性较小 The number of multi-drug-resistant tuberculosis cases is rising. Multi-drug-resistant TB results from a bacterium a group of small living th

发表于:2019-01-12 / 阅读(273) / 评论(0) 分类 2015年VOA慢速英语(七)月

People are naturally destructive. They alter conversations, divulge pointless information, and spread toxicity in their wake. Such individuals dont deserve polite treatment. 人都具有消极的天性,容易改变立场,散布无意义的信息,

发表于:2019-01-17 / 阅读(253) / 评论(0) 分类 实用英语

Hello. My name is Birke Baehr, and I'm 11 years old. I came here today to talk about what's wrong with our food system. First of all, I would like to say that I'm really amazed at how easily kids are led to believe all the marketing and advertising o

发表于:2019-01-18 / 阅读(218) / 评论(0) 分类 英语演讲

朋友有毒,用白话说就是狐朋狗友,如果你总和这些朋友厮混在一起,你的生活永远是一团糟。 Toxic friends complicate your life. These people are more than a nuisance, theyre parasitic. Precious time slips away as yo

发表于:2019-02-01 / 阅读(319) / 评论(0) 分类 阅读空间

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(322) / 评论(0) 分类 阅读空间

They're often considered scavenging pests, but Australia's native White Ibis is helping scientists understand the impact of urban life on wildlife. These long-legged birds are a barometer of Sydney's environmental health. Our reporter Li Dong has the

发表于:2019-02-14 / 阅读(259) / 评论(0) 分类 世界各地新闻集锦

Absurdly, he was excluded from a 1971 National Research Council panel appointed to investigate the dangers of atmospheric lead poisoning even though he was by now unquestionably the leading expert on atmospheric lead. 荒唐的是,一个美国研究委

发表于:2019-02-17 / 阅读(297) / 评论(0) 分类 万物简史

Tianjin deputy mayor He Shushan gave an update on the latest developments on the chemical blast in the city during a news conference on Monday morning. Currently, a total of 698 people remain in hospital, of which 57 are still in a critical condition

发表于:2019-03-04 / 阅读(303) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
airborne infrared gunfire locator
aircraft instrument panel
ala kul
anas zonorhyncha
aprosopous fetus
Artemisia annua
Asteridae
at ecological stability
bed bugs
boat crane
bourgets
bovine staggers
cadis
campylotrop
cee-lo
cenobal
character of classification
charcuterie
chief development officer
close tolerance flame cutting
common ancestor
delta-wye power
dioctyl phthalate test
discuring
dry amputation
edkins
Edmund Clerihew Bentley
effective from
flask opener
flow net
free-center-type clamp
fuffies
greater peritoneal sacs
hamamelis
hearsay testimony
high power amplifier (hpa)
homochromatography
hooded cape
infrunite
islanditoxin
IUT
lactonase
lantibiotics
laredoes
laveaga
law review
laying-up machine
leptosporella clinopodii
lonely-heartedness
loss of amenity
Loyalty Islands
LSSE
make a secret of
Mansuyia
Millard-Gubler paralysis
mineralogist
Negishi coupling
nominal assets
non-reverse coupling
nonpreemptive discipline
nordlingen
over-night dough
parabolic bundle of rays
perforated stone
place and date of issue
preassumes
price ex-farm
prickless
Production Information Control System
Prφven
pygidial
quasi-linearization
ratio of the investment contributions
s.c.f.
salting strength
scaffold hopping
self grooming
semiforced
set point station
Shen-k'uei
short-wave receiver
stealth aircrafts
steel spirit level
sunkuli
telecommunicational
telephone cross-talk
temperature characteristics of capacitance
time delay
trade diversion effect
trimerogaster cincta
trux
try ... on
ultra-happy
ultrasonic carver
Unari
uncertainness
unible
vertical form control
vinaconic acid
voltage-operateds
westernisers
zucchero