硫酸铬(III)

[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e

发表于:2018-12-03 / 阅读(72) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

Help! There's someone hurt! - What are you hearing, Sullivan? - According to first responders it was a bomb. - How many? - Four of yours and five passersby. - Have anyone claimed responsibility? - We found this. - Do you think she's dead? - We can't

发表于:2018-12-28 / 阅读(41) / 评论(0) 分类 英文电影预告片填空

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(66) / 评论(0) 分类 世界各地新闻集锦

GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public

发表于:2019-01-27 / 阅读(48) / 评论(0) 分类 PBS访谈环境系列

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(50) / 评论(0) 分类 英语时差8,16

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
Airy function
AKF
allocation of actual factory overhead to products
analog process
atresias
audio conferencing
authorized capital
back premises
bar cutoff machine
be disappointed about
beam-climber guidance
biomixture
blocks of flats
circulating mud
clometocillin
cofractionates
cohesive energy density parameter
colysis simplici-frous tagawa
combinational switching system
crown wheel
cyclic response
dangaleats
dojo mat
dosing
double cam
effective propagation velocity
electrostatic scanning
elements of a cylinder
escartin
fallabella
Falls Road
Fortrose
fredrik
glonium pusillum
gut buster
hand operated tipping drive
have a good conscience
headless server
Heinrich Boell
hoe scaler
hot-cathode gas rectifier tube
hydrochloric ether
hypothecation agreement
I'll be hanged if...
Khāvar
light-controlleds
line of magnetic force
linpacs
logical exclusive-OR
maglev
maiza
make off
manual task
manufactured alumina
mass-productions
meaks
metahydrin
momentum, angular
monoecious plant
nano-coulombs
non-destructive read-out
non-economic compulsion
overrelaxations
oversets
pilocereine
powder fine for dyeing
program and data management unit
prohibitory sign
quasi-random numbers
range of maximum speed
Rauchfuss triangle
registered brand
repeated purchased
restaurantes
salineneedle
save scheme
secondary movement
sense of oppression
shauchling
shower meteor
Shāh Jamāl
sieve cells
sodiumdodecylsulfate
star lattice
storlock
sui-mate
sulfoxaflor
sumptuosities
support one's self
Swiss cottage
tchula
test line generation procedure
tetramery
thermal shock fracture
thermocouple transducer
thread bottom diameter
to-head
unevolved
usda-approved
vermicular cast iron
Walkers Mill
word-organized memory