微量毒性

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(96) / 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(92) / 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(81) / 评论(0) 分类 听一分钟英文-I

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(70) / 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(49) / 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(95) / 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(152) / 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(67) / 评论(0) 分类 英语笔译

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(62) / 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(55) / 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(120) / 评论(0) 分类 阅读空间

SHANGHAI, Nov. 28 (Xinhua) -- The Shanghai municipal government Monday launched the microblog Shanghai City on China's popular Twitter-like microblogging service Weibo.com. The microblog, officially verified as originating from the Information Office

发表于:2019-02-01 / 阅读(112) / 评论(0) 分类 英语新闻

China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination

发表于:2019-02-02 / 阅读(119) / 评论(0) 分类 英语新闻

Qin (Dear friend), will you stay at home and go shopping online this weekend? Qinmen (dear friends), you should guard the safety of your online accounts and develop good habits. Weve summarized nine points of advice for you. Have a happy weekend onli

发表于:2019-02-13 / 阅读(98) / 评论(0) 分类 中英双语新闻

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(88) / 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(71) / 评论(0) 分类 世界各地新闻集锦

We are living in a micro era. After the massive popularity of micro blogs and micro novels, online micro films are growing bigger now. 我们生活在一个微时代。继微博和微小说广受欢迎之后,网络微电影风潮也在日趋壮大。

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 中英双语新闻

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(63) / 评论(0) 分类 万物简史

BEIJING, Feb. 1 (Xinhua) -- China's State Council, or the Cabinet, on Wednesday called for more efforts to support the sound development of small and micro-sized enterprises. Small and micro-sized firms serve as a significant channel for creating job

发表于:2019-02-18 / 阅读(100) / 评论(0) 分类 英语新闻

The Internet is linking entrepreneurs in the developing world with investors in industrial nations through sites that broker small people-to-people loans. These so-called microloans go to family-owned businesses in Africa, Asia and other areas. A $2

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻
学英语单词
acetic clump
acetoxylation
alligator rolling set
arythmic
bastle
batch-processing work-load model
battery switch pilot
be no skin off sb.'s back
betweenhood
biocompasses
Bol'shoy Oleniy, Ostrov
breakdown gang
can lead nowhere
cantarini
Carthamus tinctorius L.
centikatal
chip-breaker height
circumnavigable
come of
cometography
common language runtime host
consular invoice
cord cage
cotter way
crum up
customs declaration for imports and exports
denotatively
dependably
dicranodontium uncinatum
digital flight guidance system
disrelation
DML
driving force of heat transfer
duck-bill
edge of ski
electron transfer protein
elmenteita
elytis
ethnobotany
feedover
fixed displacement motor
gastric & intestine
Gobi
gray sea eagles
havn't
hctc
helioseismologies
Hindoo
Holy Rollerism
Hymenochlaena pteroclada
hyperptyalism
intracellulare enzyme
irreducible set
kairte
lacerating
Lindelofia stylosa
luminance distortion
maffler
major engagement
Man proposes and God disposes
masked wheel
meet the ear
Motion For Summary Judgment
MSDSL
multifee registration
multimillion-dollar
muttonheaded
Nemuel
non-translated sequence
nulli secundus
oxygenated products
pepe saddle
photographic exposure jig
phototube with caesium-oxygen-silver cathode
pieridaes
Pittacus
populationally
printing and dyeing
prolate symmetric top molecule
properly triangular matrix
provisional rules of procedure
punch heel
pyrolysates
quarterly
Quezaltepeque
reigneth
rentrant
Romneya
seaborne only
short snort
single circuit steel tower
standardization of packing
stump cutter
symbolical language
tabulae
triflorus
viably
votership
Wartenberg's disease
XML document
Zasheyek
ZTP