无色物质

发表于:2018-12-04 / 阅读(41) / 评论(0) 分类 自考英语(二)60讲

Coffee is more popular today than ever before, but many people abstain from consuming too much of it because it can really take a toll on their pearly whites. Well, thanks to the worlds first colorless coffee, you dont have to worry about stained tee

发表于:2019-01-03 / 阅读(95) / 评论(0) 分类 阅读空间

That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into

发表于:2019-01-08 / 阅读(64) / 评论(0) 分类 Scientific American(十一)月

Fog 雾 Fog is near the ground. 雾靠近地面。 And it is colorless. 它是无色的。 Also, fog has lots of water. 雾中含有大量水分。 How does fog form? 那么,雾是如何形成的呢? If warm air meets cold air, fog forms. 冷空气

发表于:2019-01-10 / 阅读(38) / 评论(0) 分类 与美国小学生一起学英文第2册

81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach (Start at 1'05

发表于:2019-01-30 / 阅读(55) / 评论(0) 分类 科技之光

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质,其硬度比钻石还高

发表于:2019-02-19 / 阅读(93) / 评论(0) 分类 英语新闻
学英语单词
-factive
advocate general
agricultural labor productivity index
albaspine
artificial aggregate
ash-tray
authenticators
axisymmetric inlet
Bahamian dollar
ben-hur
Beurkiat
bolt-locking lug
borrelias
brachypterus
breast flap
canaria
ceneme
club shares
colourless hollow ware
constant dollar
Constitution of Clarendon
cool character
corner tooth
Corti's arch
criminal injuries compensation
cup vertical spindle winder
dago red
de Gua's rule
de-adapt
deconversion
demotings
differential pulley (differential sheave)
dioxindoles
Dotted(Dt)
electropalatograph
episcopize it
ERTA
expanded incident lifecycle
exton
fawning on
FBA, F. B. A.
florer
fructus nelumbinis
gas-pressure welding machine
GM2
granulophyre
greaseproofs
Hertz wave
Highwood Mountains
Himbergen
induced migration
jaso
kerekou
M-ACHR
max.s
metaevolution
methyl propyl ketone
multi-tenants
negotiated bills
nephelium lappaceum l. var. topengii (merr) how et ho
network interconnection
nickelous selenide
nitrite-oxidizing bacteria
nodular nontoxic goiter
nonpagable dynamic area
objname
ollaris
online auction
optical imaging mapping
peak drifting effect
perverted appetite
proreduplication (hsu & moorhead 1956)
protoxylem cavity
pterygoplichthys
rational tillage
resource-intensive
rilo
Rousseauians
salary package
sampled data filter
sebestens
selective screen
side opening baler
slab mill
smart building
sparrow-fart
specular transmission
squishing
stainless iron
strain one's authority
substrate measurements
swan-neck handrail
Te Hana
telenursing
Temple Bar
third-generation computer
tube caisson foundation
unsatable
vagitus
vertical washer
vibralactone
wuwei xiaodu drink