[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(117) / 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(303) / 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(123) / 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(168) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-shirted
a streetcar named desire
a.johnson
acid-soluble substance
amplitude modulation
anomic suicide
apoplexia uteri
archaeometallurgists
auxilary machinery
barometric millimetre of mercury
Baudot code.
Benioff seismograph
booklet printing
bordereaux
borosage
brachycaudus helichrysi
carboloy remover
carries forward
chromaffin hormone
circulating crosstalk
clo-tests
cohesion theory
conflature
conform to
congenital nonhemolytic jaundice
decacoulomb
diazol fast orange
drawbacks
duty-rooms
edns
Emissy
Euonymus alatus
faqih
fasching (germany)
flight simulation test
fluoridate
frequency-sensitive rheostat
fresh fish carrier
from all quarter
Gagea pauciflora
global gain
good-neighborly
Hahn's cannula
hardwood-floor
herred
homologous chromosome
homologous helper plasmid
Iguarapé
incontentation
infrared colorithermometer
inhibition reaction
isl.
juliets
Khatam, Jībal al
Krenz
L-meson
low speed wind tunnel
matured bill
membranate
memory bus width
MIDA1
modified acryl fibre
mono-amino-mono-carboxylic acid
neuropilema
one-hander
pectinate ligament of irisdocorneal angle
pickaxing
potamonautids
pressure schistosity
prove
reenrolls
rescrambles
resizing
Revelation of Saint John the Divine
ribbon copy
risi
rubbed along
saltwell
secure erase
sedimentation potential difference
Seewalchen am Attersee
shaking a car to destruction
side blister
solid solution strengthening
sophophora
state of charge
sweet sauce
switchgirl
syphilitic node
tealights
temperature measuring set
threshold limit values (tlv)
time rock unit
time switches
trade shows
tuberculotherapy
vehicle loading
visual fire control
wealth of nation
weasel-faced
x-ray contact therapy
zoogenetic infection