un. 载流子存储时间
[网络] 载子储存时间

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 TED演讲教育篇

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(115) / 评论(0) 分类 英语新闻

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 天天商务口语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 英语新闻

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(91) / 评论(0) 分类 万物简史
学英语单词
absorptionpyrometer
acaphyllisa cryptomeria
accessory pigments
acid-resistant sheet material
antiadipogenic
argynnis paphia formosicola
autoclear input
avenacea
beneficial reservoir capacity
berth order
bigtoothed aspens
binkin
blowpipe flame
brueghels
Bulbophyllum kwangtungense
calorie-countings
chickpox
collation pass
compartment furnace
corbans
damping weight
dehumidifying heater
devaporation
diop
diphenyl acetylene
drifting snow storm
fathome
feedwater nozzle
Felis leo
filler plate
filter film cultivation
fireys
fo sho
Ganghwa
genderless language
glacioclimate
Guadalupita
hoovas
hyperlipo-ptoteinemia
ink dot
Irurozqui
juan wu
large-type sinterer
levey
load flow study
local improvement reserve
loss cone
macroteeth
make before break changeover switch contact
marvailing
mechanically propelled vehicle
mesostriatal pathway
micro-skirted
moderate pruning
modernization of accounting
modioliform
momene
mtutu
multigerm
negative solvent
nomadologists
nondiaphragmatic
nutation field
order Solenichthyes
Ostrów Mazowiecki
overpoliced
partial matching
pelkeys
phosphoenzyme
pipe classifier
Prague pelvis
Predaltayskaya Ravnina
Priyutnoye
product-by-product tariff reduction
proximoventral
pulse laser
pustle
rate of scanning
reference burst
ringshaped sprinkler
shammock
skin sensitivity
sloping valley gutter
slutlike
soft-balls
spectral transmission ratio
starlight telescope
Straight Point
strap snap
substantia corticalis
tetracladium marchalianum
the block
to look at
toman
tommasi leadrefining process
tychoplankton
undercurrent tripping
unmodified radiation
Walsh system of orthogonal functions
wet charcoal
whole body dose
Xibalban