氯代异糖精

UNIT 5 Text A PRE-READING TASK Exercise 1 Before reading the passage, think over the question. Should a scientist be responsible for the results of his or her work? Why or why not? Now read the passag

发表于:2018-12-04 / 阅读(301) / 评论(0) 分类 实用英语综合教程

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(146) / 评论(0) 分类 VOA标准英语2014年(六月)

Unit 37 Use artificial sweeteners. Unit 37 用人造代糖 Most weight?loss experts agree that the artificial sweeteners saccharin (Sweet 'n' Low) and aspartame (NutraSweet) are a great way to enjoy sweet foods with fewer calories.A teaspoon of sugar

发表于:2018-12-26 / 阅读(93) / 评论(0) 分类 减肥瘦身英语口语话题

Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(265) / 评论(0) 分类 60秒科学

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(189) / 评论(0) 分类 医务英语

假的,都是假的,真的我一定不会是这样的成绩的。 fake adj. 假的;冒充的 n. 仿造品;冒充者;骗子 v. 伪造;捏造;冒充;假装;欺骗 Im sure that I take a fake examination. 我确定我考了一个假试。 sham adj. 虚

发表于:2019-01-03 / 阅读(177) / 评论(0) 分类 英文语法词汇

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(140) / 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

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

Topic 1-Scarce Students in Rural Schools There is a primary school that only has one student in Wuzhai County of Shanxi Province. It is not a school for the super rich, but rather a rural school in remote areas. In fact, we are seeing more schools li

发表于:2019-02-22 / 阅读(206) / 评论(0) 分类 英语角-圆桌会议

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(232) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
ad-heavy
adjustable ring
annulary
araguato
artisanally
assortment breadth
bacillaria paradoxa
back cleaning
behm
binary coded decimal notation
blazon out
Buch,Baron Leopold von
Carnotian
CCDD
clemencia
coal-fueled
cobalt disk
coffee creams
color track
compensation for a loss
composite ceramic mould
contribution price
desalting kit
diabetic arthropathy
downpours
Dressler's disease
drop hammer pile driver
dusty gas
east african coast current
electric portable fan
electrotypist
ETD,E.T.D.,e.t.d.
fibrofascitis
foam bonding
gliding angle
granitic subsoil
Grassmanian variety
Hartmanella hyalina
Himmler, Heinrich
horizontal mixing
horizontal surface broaching machine
houseowner
imersal
impedance. r-l-c
imperturbable
in an effort to
infinite descending sequence
inside fire box side sheet
Kibimba
Kuanyama
Lögdeälven
Malayan camphor
Mesothelimon
migrating cheilitis
minor broadcasts
Monopoli
morella hortensia
noise covariance
odonaosteophyte
offshore tug supply ship
Oglethorpe University
ollaris
Ossetes
pill transformer
prize-fights
puddin'
pyrophanous
quadah
record of performance
regulation failure
relapsing fever
remind sb of sth
romanesque legal system
Salvator
Scheessel
schmegeggy
selaginella heterostachys
selective absorber
semi-bilinear form
Shewhart control chart
simulated interception
single stage system
Sirius Bank
slags off
solemniser
solid phase synthesis
solyankas
Sorsakoski
St-Trivier-sur-Moignans
statical head
sulinpyrazone
sync mark
take the wraps off
tetraethyldiaminobenzophenone
the quintessence
turbine-generator rated capacity
two-joint drive
volumetric mixture ratio
white lily
wire-worker
wrynose
zero-phase lines