区段氯化聚乙烯

发表于:2018-12-04 / 阅读(69) / 评论(0) 分类 自考英语(一)78讲

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(36) / 评论(0) 分类 英国学生科学读本

今天学的词组是block。Block有障碍物的意思。比如road block -- 路障,Police put up a road block to stop the demonstrators, 警察为阻止抗议者设置了路障。作为动词,block也有阻塞,拦阻的意思。比如施工造成

发表于:2018-12-30 / 阅读(56) / 评论(0) 分类 英语每日一词

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(217) / 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(39) / 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(91) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accelerated ag(e)ing test
airhostess
altered stress
apodize
back stop
Ban Napa
barrandov
bidale
bill of lading of combined transport cargo
Blaxland's test
camptodactylia
cardiastethus laeviusculus
ceilometry
centrifugal impeller mixer
cercospora crotalariae
choice box
cladeus
cleora injectaria
co-specific
cross-correlation gate
directory assistance operator
dish towel
downfolded
English common law
file mark
fume recovery system
gametal
gas equation of state
gastrostyle
genociders
genus malvaviscuss
genus Scomber
gloves for massage
green lead ores
Hedyotis chrysotricha
hemipinic acid
hermetic circular coal storage
HWST
hypnotic trances
iithotomy forceps
indirect fired oven
induced labour
interfering float
interfibrillary
intestinal carbuncle
J-value
john rupert firths
kiyoshis
kumujanrine
lissothricic
measuring pocket
median oviduet
minus advantage
mobil construction battalion
moisture-temperature index
molybdenum plate
Moneymore
muconomycin
NACLO
Nageia formosensis
naiburg
necklaces
nellcors
object segmentation
oil-poor circuit breaker
Open Datalink Interface
OSRD
output of heat
peri-infarction block
phenomenological description
pokerlike
post edit program
premedial
reality anxiety
repeater jamming
resurgent water
reverse process
ritualistic communication
sample for reference
Selectol(celiprolol)
single apron
sinus urogenitalis
somerford
speculists
starting datum mark
steaming graded thin-layer chromatography
Stephanoascus
stiffness test
structural fabric
surface boat
tappit
thiocarhamide(thiourea)
to say the least (of it)
tremula
triazobenzene
tuongs
unbranched heads
undeleting
vehicle loading
vidiac
visible reading
work-sitest