次氯化锗 {一氯化锗;氯化锗(I)}

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(107) / 评论(0) 分类 VOA标准英语2014年(六月)

Knock, knock. Mr Matthews? What a surprise! Where're your parents? They didn't bring me. I took the bus. Actually they don't even know I'm here. I've brought you a germanium. Geranium. Didn't I say germanium? Yes, you did. In fact, germanium is a che

发表于:2019-01-02 / 阅读(167) / 评论(0) 分类 听美剧学英语-《淘小子看世界》

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(98) / 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(146) / 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(105) / 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(99) / 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(172) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
achromatic condition
advance staysail
ambrosini
aminuria
asexual spore
atomic fraction
automatic track while scanning(atws)
azonic acid
bikercise
Burton (cracking)process
cane sugar factory
carboxyverazid
CCC
coloured reclaim
condition queue
croyll
cyberattacker
deliquation
descamps
diarise
diatonicisms
differential selsyn motor
dishonored check
do well by doing good
drenche
Edward Fitzgerald
exponentiations
filter paper dust counter
fitting in with
fuel-pump screen
Ganges Cone
glucometabolic
Golmānkhāneh
high efficiency photomultiplier
Hontoba
hooft
Hyalozima
hypercoffee
inductive susceptance
inter-provincials
interpersonal communication
jagua palm
janty
kate chopins
Kostelec nad Cernými Lesy
Lagosian
liquid lubrication
long longevity
MaDCoWS
maneuvering ability
Marceau, I.
meadow saxifrage
mill engraving
mirka
nerdishness
neutron bottle
neyman's shortest unbiased confidence intervals
nordihydrotoxiferine
nutrient budget
photopography
piecewise polynomial interpolation
planispherical
platitudinised
pregnancy-induced hypertension syndrome
prevaricates
public key distribution system
real contract
realized investment
residual spray mixture
Rubate
San Angelo Res.
sapucainha oil
shore-based
simple interval
six figures
skewel
solenoidal groups
solid-tooth saws
sorting scale
stagnation mastitis
subangiocarp
sulindacs
swiss mouse
sycophanted
techlog
telecardiographic
temperature rise of return air
thymocyst
trendmicro certified security expert
triangular suture
trihydroxybenzyl alcohol
triopidaes
turbine expansion ratio
turkeycocks
turnu
U-14
utility glass ware
value free
wallingup
Yorkshire pudding
yttrium-iron garnet