[化] 二氯乙酰氯

A: I was supposed to meet with you at 1:30. B: Yes, I see. What did you need to see me about? A: There's a problem with my schedule. B: What's the problem? A: Two of my classes occur at the same time. B: Well, I can see that's a problem. A: Is it at

发表于:2018-11-30 / 阅读(237) / 评论(0) 分类 英语情景对话-大学生活

A: I have an appointment for 1:30. B: What can I help you with? A: Well, I have a problem with my class schedule. B: What is it? A: It seems that I've been given two classes scheduled at the same time. B: I can understand the problem with that. A: Is

发表于:2018-11-30 / 阅读(187) / 评论(0) 分类 英语情景对话-大学生活

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(147) / 评论(0) 分类 VOA标准英语2014年(六月)

A Abrine 相思豆碱 O-Acetyl-3,6-di-O-β-D-xylopy-rano- astragaloside O-乙烯 3,6-双氧-β-D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基

发表于:2018-12-08 / 阅读(142) / 评论(0) 分类 医务英语

A: What do you need? B: I wanted to talk to you about transferring. A: What school do you want to transfer to? B: Im not really sure yet. A: You still have time to think about it. B: What do I need to do in the meantime? A: Youll need to finish your

发表于:2018-12-30 / 阅读(150) / 评论(0) 分类 大学英语对话

D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠

发表于:2019-01-03 / 阅读(159) / 评论(0) 分类 医务英语

By Carolyn Weaver New York City 25 April 2007 Nigerian writer Chimamanda Ngozi Adichie Chimamanda Ngozi Adichie's acclaimed second novel, Half of a Yellow Sun , tells the story of a devastating moment in Nigerian history, the short existence of the b

发表于:2019-01-12 / 阅读(216) / 评论(0) 分类 2007年VOA标准英语(四月)

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(141) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(197) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(140) / 评论(0) 分类 自然百科2009年

英文 Top100精选绘本(PDF文本下载) 更多儿童英语: 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉

发表于:2019-01-27 / 阅读(159) / 评论(0) 分类 英文Top100精选绘本

英文 Top100精选绘本(PDF文本下载) 更多儿童英语: 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉

发表于:2019-01-27 / 阅读(138) / 评论(0) 分类 英文Top100精选绘本

英文 Top100精选绘本(PDF文本下载) 更多儿童英语: 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉

发表于:2019-01-27 / 阅读(161) / 评论(0) 分类 英文Top100精选绘本

英文 Top100精选绘本(PDF文本下载) 更多儿童英语: 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉

发表于:2019-01-27 / 阅读(151) / 评论(0) 分类 英文Top100精选绘本

By Robert Berger Jerusalem 16 December 2007 An Israeli delegation is making an unscheduled visit to the United States amid disagreements over the recent American intelligence report on Iran. As Robert Berger reports from VOA's Jerusalem bureau, the v

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 VOA常速英语2007年(十二月)

中草药成分英语单词 A Abrine 相思豆碱 O-Acetyl-3,6-di-O--D-xylopy-rano- astragaloside O-乙烯 3,6-双氧--D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基葡萄糖糖 6``-acetylhyperoside 6``-乙酰氧基金丝桃甙 Acetylsh

发表于:2019-02-02 / 阅读(175) / 评论(0) 分类 英文语法词汇

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(135) / 评论(0) 分类 地道美语播客

Abadie's Sign Chinese阿巴迪征(跟腱受压无感觉,见于脊髓痨) Abaptiston Chinese安全开颅圆锯 abarognosis Chinese压觉缺失 abasia astasia Chinese立行不能 abasia Chinese步行不能 abdominal reflex Chinese腹壁反射 abduction Chinese外展 abiotrophy Chinese生活力

发表于:2019-02-07 / 阅读(154) / 评论(0) 分类 英文语法词汇

LOS ANGELES, April 1 (Xinhua) -- Country music superstar Taylor Swift was named entertainer of the year at Sunday night's Academy of Country Music Awards (ACM) in Vegas, repeating her victory of last year. Miranda Lambert, Jason Aldean and Kelly Clar

发表于:2019-02-18 / 阅读(125) / 评论(0) 分类 英语新闻

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(234) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
acetyl tribromsalol-
acetylandromedols
actigraphs
actual solid retention time
Albaret-le-Corntal
Amdang
arecadeine
Beth-anoth
boomsma
Calfen
carboxy phenyl dihydroxy arsine
Celevac
certonardoside
clear point method
coenogenetic character
combined logic element
commodities markets
commuted value
conjugate matrices
court of final resort
dark repair
deca-newtons
densimetric Froude number
dilator cibarii
displaced plant
dual core CPU
Eastern Seaboard
epithelio-vaccinia
ethylpropyltin dichloride
executive module
feedback suppressor
fingerpicks
folded plate foundation
galvanisers
gamete selection
GD (gate driver)
grainering
gve notice to
homie g
hop aphid
in concreto
inherent frequency
Innerleithen
intentional walk
Iodine-Xenon dating method
irish dances (ireland)
jetbridges
k-selected strategies
kalamkaris
kept out of
kiss of peace
lacked in
Las Caňas, R.
letters-by-letters
make a collection for
mamma's boy
maritime commerce
menys
neoparacryptus formosanus
non developmental
ntype
ourloft
pachymetry
palp-
penetrative probe
perceptro
Perevesinka
pin oak (quercus palustris muenchh.)
plessite
potyvirus lycoris potyvirus
program lock register
proportional-integral-derivative controller
Puksoozero
radar modulator
range day beacon
Rett.
rhamphorhynchids
Roborough
roomliness
rosacrucian
scommar
section of communication
semisomnia
signal band
solid-liquid ratio
stage-capacity curve
stellasterol
Strizivojna
symbolic integrator
taxing instruction
taxiphyllum taxiramenum(mitt.)fleisch
theory of relation between heaven and mankind
thick-curved beam
three-way classification
time interval radiosonde
transparent cornea
triangular aperture distribution
under-correct
vacancy source
verruga
winterish
yussefs