近紫外抗蚀剂

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(105) / 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
a.c.welder
Abell richness classes
air blast freezing plant
alaglossa
aliquot(portion)
an entry for free goods
auditory senses
avalle
bensimon
berwick-on-tweed
bi-infinite
blundstone
bonus for attainment of goal
bring a ship to anchor
bring pressure to bear upon someone
butt bolt
Campeche
carpet-slipper
chain broaching
close the stable door when the horse has been has bolted
common mixed fertilizer
cordwain
course steering computer
cross arms front chest
cuff you
deposit rain
didy
digital slave module
dowlais mill
dynamic page
enjambements
expected earning
extended floating-point operation
Fenostenyl
Flodoard
french gold francs
gas exhaust manifold
get a good start
glass (liquid) level ga(u)ge
halogenated compounds
heckhounds
hemipylorectomy
Hinduized
HLG
hoofprints
hydrophagocytosis
indefinite metric
katabatic winds
kelesi
kick ... upstairs
late type stars
main control level
Malita
MCP-4
millot
mounanaite
multiply
ncr
nephew fucker
nested interrupt
newtown butler
niveau diagnosis
palaeoarctic region
palmillo
Pasque I.
philips load and go (phlag)
pointer barometer
polar-frequency pulse track circuit
program counter stack
prosomal
pseudotriangulation
purse seines
pyridinone
pyrrol cells
Rangstrup
reactor water cleanup system
recuperator spring
recurrent branch of median nerve
sacola
scrubbing effect
Sedocaine
simulation graphic library
slacs
Stark-Einstein law
status word chart
Stedman disintegrator
store receipt book
suck someone to the very marrow
sulphostannates
surefootedly
surface wind
swordick
tholospyris fenestrata
tragino
Tshofa
unilateral strabismus
unitary organism
Uwayl
vanillylacetone
Vibrio piscium
ydan
zymophyte