相对毒度;相对毒性

541. He likes fishing. 他喜欢钓鱼。 542. Hes a lawyer. 他是个律师。 543. It doesnt make any sense for them to still be mad at you. 他们还生你的气,这没有道理。 544. Shes a natural entertainer. 她是个天生的表演者。 545. When he was a little boy, he was

发表于:2018-11-30 / 阅读(133) / 评论(0) 分类 新英语900句之生活篇

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(86) / 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(87) / 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(78) / 评论(0) 分类 听一分钟英文-I

relative A husband and wife were driving down the road arguing with each other. They passed a pig farm and the husband said, Are they relatives of yours? Yes, she replied, I married into the family. Notes: 1. A husband and wife were driving down th

发表于:2018-12-26 / 阅读(80) / 评论(0) 分类 英语笑话(MP3+文本)

[00:04.88]Why Are Maps Drawn with North at the Top ? [00:08.15]为什么地图绘制得北方在上? [00:11.42]Now it is hard to visualize a map that does not feature north at the top [00:15.24]现在很难想像一幅不是北方朝上的地图, [00:19.07]but this was not alw

发表于:2018-12-29 / 阅读(97) / 评论(0) 分类 大学英语自学教程上

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(60) / 评论(0) 分类 有声英文阅读

A husband and wife drove for miles in silence after a terrible argument in which neither would budge. The husband pointed to a mule in a pasture. Relative of yours? he asked. Yes, she replied. By marriage. 一对夫妻开着车出去,走了很长一段时间谁也不

发表于:2019-01-02 / 阅读(79) / 评论(0) 分类 英文笑话

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(90) / 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(146) / 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(63) / 评论(0) 分类 英语笔译

Thailand's People's Power Party has nominated a relative of former Prime Minister Thaksin Shinawatra to become the nation's new leader. But as Ron Corben reports from Bangkok, fighting among the PPP's factions created uncertainties before the vote.

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(九月)

Everyday Grammar: Three Reasons to Learn Relative Adverbs From VOA Learning English, this is Everyday Grammar. In an earlier program, we talked about the relative pronouns who, that, and which. We promised to give you more details about how to use re

发表于:2019-01-12 / 阅读(81) / 评论(0) 分类 2015年VOA慢速英语(九)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(57) / 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(50) / 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(114) / 评论(0) 分类 阅读空间

Relative Pronouns In this weeks episode of Everyday Grammar, we are going to discuss the relative pronouns who, that and which. A relative pronoun relates to the noun it is describing. Relative pronouns introduce a relative clause. Think of relative

发表于:2019-02-12 / 阅读(73) / 评论(0) 分类 2016年VOA慢速英语(七)月

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(81) / 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(68) / 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(57) / 评论(0) 分类 万物简史
学英语单词
acute-care
alaungpayas
allotrio-
anchoring test
ancistruss
angulus superior scapulae
annular finned space radiator
asparagaceaes
average number of travels
barium tartrate
beta glucosidase
boss shot,boss-shot
braesides
bucket operating cylinder
buggering about
by compact
chat robot
Chinese Army technique
company's aims and objectives
compensated distance
concavo concave
copy propagation
cotyloid cavity
damped wave detector
davra
Decimomannu
despard
device handler status
dose counter
drop indicatorboard
dry charging
electromagnetic compatibility margin
emaciation with sallow complexion
Etambro
faunivory
field dress
filmart
fire-bird
folignoes
gamma ray log
glycidyl ester
gnawing mammals
hare checklist
hawklings
henequens
horizontal area
impeller-vane
inaccuracy of dimensions
integral shrouded blade
inverse lattice
isotropical
Kami-hiru-zen
lateralism
lay up sth for oneself
Ligustrum vulgare
little valley
low-hydrogen electrode
lumped parameter
machine rate charge
market entry
microdynamic
Mileyevo
millet oil
moviehouses
negative feedback filter
nonamidated
nutshelled
open day
open-circuit crushing
optimal operation condition
Oxycoccus palustris
paramnesia
paved with
phase-shift magnetometer
plegadis falcinellus
polychlorides
radiation dose unit
ranking form
route processor
sesame meal
skew flashing
slight breeze
so she is
solasurine
stabilizing factor
streetfight
Student National Coordinating Committee
subclass Dibranchiata
t-bill
Tanguiéta
thermocouple reference junction
Tixkokob
trajans
Trichodoctes
Tubilysin
tuned resonant circuit
tungued-and-grooved face
water-sprinkled bosh
wiant
will ye , nill I
wine-growings
wtihershins