音标:[,pɔli,eθәli:n'^laikɔl] ;
聚乙二醇

情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪

发表于:2018-12-18 / 阅读(111) / 评论(0) 分类 英国学生科学读本

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(293) / 评论(0) 分类 英语时差8,16

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(111) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(158) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a-b toll trank
abates
adverse effects
afosr
after-topmast
air bronchogram
alloiogenesis
apportion blame
arthritis pain
ash-blondes
Bangui
birien
Blue Stack Mts.
bottom of the barrel
boutaris
British standard beam
bucco pharyngeal vault
caller display
cantoning
careerer
Chromadorida
circular lune
cleare
clive sinclairs
colliquable
computer-aided lofting (cal)
crow-flower
csaw
Daiwa Overseas Finance Limited
dead bright
deep design
devices of optical disc drives
di stefano
dispersonalization
electronic trail
elyr
enrichment
epoetin alfa
family entomophthoraceaes
fault width
fibrin degradation
flip-flop column system
fly wheel moment
follower constellation
functionally graded
Great Glen
high frequency compensation
high-rank
Incarvillea Juss.
inclusions fluid
infradextroversion
inhuman
initial imput routine
internal erosion
ioddprotein
jacksonian seizure
jute-stop
kaniska canace drilon
Lesnaya Khmelevka
ligament of nape
Manapouri, L.
maritime transportation
massive osteolysis
mature student
mauritanies
maximum planing length
medium fire
multi-fold
net hunting
o-fer
pellow
physical reliability
preformance
prelatize
protection feature
protoforms
protopod larva
R-NRZI
rational therapeutics
ready status word
realy
Regulation Z
replaiting
reversible shovel
Salix phaidima
screen backgrounds
secondary key switch set
sectorial wave
shy away
small spaces through which water and air may pass
solid-set sprinkler system
sparge water
stratit element
strewn field
strychnine phosphate
superposed yin
Thermia
to-from indicator
toilet training
unequally-tempered scale
unit displacement method
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