T3摄取放射分析试剂

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

bead, [bi:d] n 珠子,水珠,准星 【例】She wore a string of beads 她挂了一串珠子。 有孔小珠; 念珠 水珠; 水泡 算盘; (枪的)准星 【建】凸圆线脚, 串珠线脚 【机】卷边; 车轮圆缘 焊珠, 焊蚕, 焊缝; 叠

发表于:2018-12-30 / 阅读(39) / 评论(0) 分类 不择手段背单词

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Beadwork has a long history as an art form practiced by American Indians and other cultures around the world. Today millions of people e

发表于:2019-01-09 / 阅读(44) / 评论(0) 分类 VOA慢速英语2009年(五)月

US Bead Parties Boost Ugandan Women Its party time for Madison Blandford and three dozen of her girlfriends. The 11-year-old invited her classmates and neighbors to see - and buy - beaded jewelry made by women in Uganda. My grandma got me a bracelet,

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2012年(七月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史
学英语单词
'Snigs
actaplanin
air-launch
alpha signal
aluminium profile polishing machine
ansae subclavia
Asmara
atlit (athlit)
attendance machine
avidin-biotin
Bacteroides
ballyhoos
beaker method (mechanical analysis)
Bernese
bevel pinion and bevel gear set
broadband strategy for sweden
channely gulley
Chondrus crispus Stackhouse
con-artist
condensate flash
convergence in the mean square
counterplotted
date-rape
depolimerize
diethyl fumarate
draft copy
dried bean curd
egglayer
estlin
extravation pipe
facsimile signature
family exocoetidaes
feel ill
fenceposts
fibra(fiber)
Fidelity Bond Insurance
finlet
fixed coefficient statistical model
flat-plate heat exchanger
glass textolite
granulated feed
harpswell
hogansville
interior blind
interraneous
juraj
Kastel
kibbes
kilo-pascal
Le Fousseret
leak vibroscope
light-alloy armo(u)r
linear survey
little cuttle
Madre Oriental, Sa.
mamillar
microarteriography
minasragrite
mode field expander
Nelaton's fold
niewiarowski
overlap effect
oxathiin
path of least resistance
polyorama
pre-feasibility
proteinose
pseudotrichonotids
radiation pyrometer temperature measurement system
reported taxable income
saw setting plier
scattering measurement
scrubbings
secondary emission photocell
sectioned bar diagram
segmented condensation method
shock-absorbing cradle
SMFS
smoky quartzs
space nerve
sridhar
steel-and-glass
sublimation deposit
subsidized export
superficial deterioration
superstructurals
suspensory navicular ligament
syphilitic leplkoderma
systemic gain drift
Teruel, Prov.de
thoroughfares
tierzo
timing piece
tonic convulsion
tourbillons
transcreate
transformat
true cruise airspeed
tunnel escape
unitary rate
veratrina
wiremaker