[化] 氯化铁

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(59) / 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(107) / 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(64) / 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(55) / 评论(0) 分类 地道美语播客

Ironic --by Alanis Morissette An old man turned ninety-eight He won the lottery and died the next day It's a black fly in your Chardonnay It's a death row pardon two minutes late Isn't it ironic...don't you think It's like rain on your

发表于:2019-02-06 / 阅读(37) / 评论(0) 分类 好听的英文歌曲

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(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
air entraining concrete
ALCAM
automatic theorem proving
banquet lamp
blue myrtle
built-in lamp controlgear
Carex orbicularis
cassia zeylanicum
compass with detachable legs
cone index
continuous flowing blood cell separator
cornimytilus pinnaeformis (bouch)
crystal control transmitter
Curatabaca
davantage
decayeth
dessicant
diazo paper
dow sari
Drechslera
Dynaprin
elastic flow
esophageal neoplasm
feather stars
fixed hairs
fluor spar
frontolysis area
gallica
gandia
gas output
gas-gouging
grab away
hologram image
hydantoin acetic acid
hydnaceaes
hydrogen tight
imbars
increased safety type electrical apparatus
iron malate
isophosphindole
jumper bar
jumper hose
Kan'onji
lahats
Lennonville
low level function
luteogenic
marrow-breaking
Mebichloramine
moaned
motherhood and apple pie
Mount Molloy
multi-core cable (multiple-conductor cable)
mycosphaerella laricina hartig
noise equivalent angle
olgensis
origin stop
out-running
overdiversifying
PACM
panlogistic, panlogistical
Pardina
piano percussion
Pleurotus eryngii
plunger pin
power time diagram
psychoanalytic society
pyramidal fiber
radio-frequency drying
reintroduction
retarder control valve
retire on
Rimocortius
running suture
scissors crossing
secondary database
selection system
shipment to branch office
silbermann
six-channel
sodium sulfoaurate
sonic film memory
south celestial pole
spectrographic orbit
spiral-mold cooling
spread oneself to entertain sb
static zone
steved
surface energy anisotropy
syruping
technical envelope
terminal control computer
titanosuchians
torments
trim loss
trunky
Vieussen's foramina
waterside police
Weissmann's fibers
xylaria papillata
yaw control channel
zero-extended field