[化] 聚对苯二甲酸乙二醇酯

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(112) / 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(294) / 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
aerodontology
al-jassim
allrights
ammunition shoes
ancestral species
anthropodicy
argo
aurora yellow
battles of el alamein
bigness scale
bilirubin calcium stone
bill accompanied by warehouse receipts
blueprint machine
bottle kiln
boweries
Brachytome wallichii
carboniser
Carthamus tinctorius linne
Castanopsis concinna
centrifugalism
christs
chrome-plated iron tube
complexor admittance
composition of conductor
conventional-type lubricant
convolution(al) integral
crenated
cross inoculating
d-group
default font
Duke of Lancaster
eccentric anomalies
Eucarist
exotropism
face voltage
fault-finder
feel like oneself
fixed disk
Fort Lee
free passes
guard hairs
gypsum-bandage
have a nice
i-biology
igneous activity
imputed cost vector
indigents
intracompartmental
Joel Harris
keyboard entry method
load tension curve
low frequency head
MACMD
mancono
Marlow
mastrionotti
Mett's method
Michelia fulgens
muham-madiyahs
muzzle door control valve
myrtene
non-concurrence
non-english-speaking
non-fundamental breach
Novomikhaylovka
Object to beTowed
orcos
ordinary flash
oriental cherry
post revolving mechanism
precondition method
propylidene chloride
qualification authentication
quick look
rice snack
ridge-up bed
right coiling
ring reef
rotary stepping relay
school synod
semisecretive
serpent-charmer
shut your face!
spectral match
state set price
still SW
synchronous electronic sampler
tape steel
tipping
to attire oneself in...
touch-tone telephone
trioazole
two roll press
user's guide
vapo(u)r honing
voltageoperated
wails
weidman company
weight-memo
wrong'd