[化] 盐酸奥昔布宁; 盐酸羟丁宁

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(58) / 评论(0) 分类 VOA标准英语2014年(六月)

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(58) / 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(105) / 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(60) / 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(54) / 评论(0) 分类 地道美语播客

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(117) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
abscess-root
absoute plea
Acacia xanthophloea
act a part
adaptor plate
alexandria cotton
amplitude envelope
an iron hand
animation
archeocinetic
at constant market price
aubes
barium fluoride substrate
binding resolution
bosss
Calclamnidae
Cdc24
cephalotheca
Chiquimula, Dep.de
Class A Shares
clonorchiasis sinensis
Cree R.
Ctrl Alt Del
cyclopina heterospina
Del Monte Foods
depreciation-appraisal
disemble
drof-land
Dursey I.
ean-shuin
edward jean steichens
Eidsfoss
Enugu State
financial consultancy
flow potential
four-oar boat
frescour
fricatively
fuck toy
G-cramp
genus Hernaria
golden algae
Greenland shark
Greenwich standard time
juan wu
Kokorevka
linecoes
lithium decaborate
low-melting (point) alloy
magnetic levitation device
Mannich base
marginal profit ratio
matching layer
meniscocytosis
metabond
metallic delay lens
Michelia oil
Microtoena
monkey adjustable wrench
multi dimensional
musk ketone
nickel plated steel wire
nonpubescent
nontactical
open-jaw (ticket)
over torque test
overaging
pigment-producing bacteria
Plantain seed
prefinalists
proximate damage
pseudo-interrupt receiver address
pulse-widening circuit
punch plate
pyriferous
rack rent
radio frequency induction coil
receitor
reconnoissance
rectifier nets
refined salt cake
relief pressure control valve (pneumatic)
roarke
rung around
saddle sb with sth
Semendua
software-transparent cache
solid bulb
St John, L.
switching core
system internal consumption
terpene hydrocarbon
thyristor rectifier electric locomotive
to keep your chin up
Trachycarpus fortunei H. Wendl.
trapped species
truck agreement
under-pinned
universal joint spindle
white granite-ware
woody allens
worksite hygiene