不溶树脂,不溶胶质

Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(95) / 评论(0) 分类 英语时差8,16

StudyFindsHighLevelsofBPAinCannedFoodforKids The industrial chemical BPA has been used to make hard plastic bottles and the lining of food cans for decades. After studies indicated that the chemical could play a role in cancers, heart disease and abn

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2011年(九月)

bend,v 使弯曲=crook 【例】The road bends here 路在这里转弯。 【类】bend:rigid=submerge:buoyant=dissolve:insoluble刚性的不会弯曲=有浮力的不会沉没=不能溶解的不会溶解

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 不择手段背单词

There is a curse that has plagued humanity since ancient times. 从古代起就有一种诅咒一直让人类饱受折磨。 The Greeks fought it by chewing aromatic resins, while the Chinese resorted to egg shells. 古希腊人通过咀嚼芳香树脂

发表于:2019-01-17 / 阅读(95) / 评论(0) 分类 TED演讲教育篇

That dress looks perfect right off the rack, and that crisp button-down shirt is never going to be any brighter or whiter than the moment you buy it. So is it really necessary to go to all of the trouble of washing those brand-new garments before you

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 阅读空间

Preserved bodies help doctors understand diseases that have plagued humans for thousands of years Naomi Seck | Washington, DC 05 May 2010 Scientists say looking back can help them look forward, by revealing how the disease evolved over time. Related

发表于:2019-02-05 / 阅读(122) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
Alserin
amoeboidmovement
antisymmetrical potential
apoyan
Arteriae arcuatae
automatic acquisition
baked winding
bandgap reference circuits
bimetal time-delay relay
Bituca
blissfully
boned up
bulk-shipping
chaplet block
common-carrier
conceptual analysis
cypress tree
daze
disk file
diverting dam
e-forum
eese
Eikenella
ellan
Escaut
eupronoe intermedia
explosive anchor
favourable prognosis
first division nondisjunction
food truck
foramen incisivum
foreslowing
Frederick Hills
free fiscal reserve
frostbite granuloma
genus lemaireocereuss
Great cham
greenleigh
hand-threshed paddy
high purity gallium
impeached for treason
Issouf
Kalvaka
king's man
kuznets curve
lacertilian
latex-coated glass cloth
lemon squash
levinson theorem
Likuyu
linkworks
location parameter
long-tails
metalloid phase
moxifensine
mrdm
Nelipramin
newburyport
nucleor barnucleon
online games
ore rotundo
oxytriphylline
panuramine
passive night-vision device
phosphoform
potato rasp
potters asthma
poultry feeding
pyrrolic
quadratic surd
rankean
rapier thrust
reaction servo mechanism
relapsing-remitting
repayse
Rielasingen-Worblingen
rosenkampff
san kan gaku (japan)
scyto-
seniority
series of powers
shared direct access storage device option
silicon rectifier unit
sliding wire
spiroma
spot planting
spread it thick
stack ponring
subspace iteration method
symmetric load(ing)
tautomerism
television fee
Turkish boxwood
uncrook
unsurrendering
utero placental vein
VLSI (very large scale integration)
water tube type cooler
Welsbach mantle
x-mind
yoggi
Zea mays indurata