中紫外

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(57) / 评论(0) 分类 Scientific American(十二)月

HEALTH REPORT - Health: Looking for Skin CancerBy Brianna Blake Broadcast: Tue, 4 Jul 2006 16:00:00 UTC I'm Faith Lapidus with the VOA Special English Health Report. Tanning beds produce ultaviolet ra

发表于:2018-12-07 / 阅读(63) / 评论(0) 分类 2006年慢速英语(七)月

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 (科普英语)Earth and Sky

物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声,洪

发表于:2019-01-17 / 阅读(44) / 评论(0) 分类 托福英语

主餐一道:泛听练习 以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握

发表于:2019-01-22 / 阅读(58) / 评论(0) 分类 NPR边听边练

A new 'health' trend in Hong Kong sees women staring straight at the sun in the belief that it will replace their need for food and even improve their vision and sleep quality, reports Oriental Daily. 据《东方日报》报道,香港女性中兴起

发表于:2019-02-15 / 阅读(106) / 评论(0) 分类 阅读空间
学英语单词
abcl/1
alphameric listing
alpine plant formation
amocarzine
angelus bells
antagomistic group
apple leaf curling aphid
argentify
astrogeodetic data
avicennias
bicycle seat
bilge chest
blanket to blanket web offset press
bleke
bo epinang
braced frame construction
choke back
chromyl bromide
Clapeyron
cobbed
cohomology exact sequence
collodiaphyseal
conjugated compound
Copacel
cum catcher
Danube fever
data acquisition and visual display system
design of domestic ceramics
digital facsimile communication
direct fuel injection
Direct load control
drapetis brevicula
drift-corrected
Dumbfuckistan
dynamo-thermal
envolute
extracurricular activity
farm machinery production
fault strike
fiege
follow in sb's footsteps
fossil-fuel-burning
gas pressure vessel
genus Cordylus
george ivs
Gibbon's hydrocele
gives way
goldbugs
Haast Bluff
hembury
horizonatal blanking pulse
horizontal assignment
humbirds
indirect infringement
Jaculus jaculus
jet stream cirrus
JMLS
jugle
kegel
kennaways
Krasnaya, Gora
LUQ
macroinstruction design
make lee way
moviegoer
multilayered structure
Neckar
neonatal cutis marmorata telangiectatica congenita
net residential density
new grant
noeth
photoluminescent
pillar travertine
polythiourea
power line carrier communication system
pre-existence
prosopodiaschisis
pymen
rotary-block radial pump
Ruppell's serum
Russell bodies
saltatorial appendage
showmen
single storey cold store
southcoms
staatskapelle
Star of Bethlehem
street-wisdoms
subfamily pythoninaes
supplementary air valve
surface run-off
sustentates
swarther
tetraiodoaurate(III)
three phase rectifier
trichloroethylene poisoning
unclaimed balance
union adaptor
Washabaugh County
Waveguide.
Xishuangbanna Dai
yarn bombing