[网络] 聚乙二醇类;之聚乙二醇;聚乙烯二醇

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(66) / 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(258) / 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(78) / 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(125) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-enchyma
air-blasting
alkalising
Alpha Ursae Majoris
amphibian
arsenic trifluoride
aurora zone phase anomaly
automatic recording microbalance
basilar groove of occipital bone
bench excavation
beyond reasonable doubt
bfore
bid auction
bitwise logical operator
body shaking
cargo insurance list
central authority
centralized railway traffic control system
Cinnamomum bodinieri
claw-plate connector
clippin
compactible elements
computer-enhanced
concession bargaining
controllers
crookston
crosswise movement of saddle
Cycas hongheensis
Delta Asia Credit Limited
dereling
dip in the gravy
Discoaeras
disinfection of books
distance protection equipment
dynamic person
EDXD
energy-poor phosphate bond
Exchange administrator
exoerythrocytic cycle multiplication
exothermic antipiping powder
exterior walls
Feriana
fleihan
floury potato
frictional strength
Full astern both!
gas breakdown threshold
genus Cacajao
Geomundo
hassrick
hearing fee
homogenises
independent program loader
inserm
integrated navigation display
Josephson, Brian David
leading truck equalizer
leatherwears
leuciscuss
line of force
mung bean sprout
murchison-sanderson syndrome
N pole
nonhysterical
not entitled
nuclear scale
offensive capability
orey-eyed
Pandaceae
para-agglutination
plan of sampling
pomacea canaliculata
ponto-olivocerebellarsyndrome
protobrosis
push-along
pyrocumulus
quasimoney
re election
relayed surveillanced network
ringworm corrosion
round fixed light
Santa Engracia
sargot
school systems
semi-automatic guard
SGCI(special grade cast iron)
skimming(s)
slow-downs
soap perfume
spectrum apparatus
springals
stiffening truss
syntrope
tiderode
timeworker
tracking position switch
twenty-ones
typhoon urgent warning
water-pumping
weather (wx)
wish you had never been born