氯化聚乙烯

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

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(40) / 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
A-eliminator
affected zone
aficionados
air hoses
aleurodicus machili
amount dues
amyarian
area array detector
ascomycetous fungus
Assaré
at the expense of sth
auxiliary motion
backup circuit-breaker
Battle of Fredericksburg
be flush with
beddow
binary attribute
binder's die
block demolition charge
bluebelt
bridge-piece
busulfan
calculus of proposition
carbon acid solution
care home
cash book
Casparian band
cemented carbide parts
choshu
circulation frequency of Hanzi
comfort noise
constituent of fibre
continuous electrocardiographic monitoring
copper subcarbonate
cyberscholarship
deaf mutism
designatory term
drainvalves
duckbill platypus
flywheel
goldblatt model
grout consumption
gyneconome
gypsum of pharmaceutic
haemosporidiosis
hordenum vulgare
human histochemistry
i.d.f
igun
indolent gingivitis
inter lock
intercuts
irrigating
japanese plow with short sole
jossers
leave something to be desired
lipoma of small intestine
liquefied-gas vessel
megamalls
membranous viscerocranium
micruroidess
mock-treated
NDMS
Nitti, Francesco Saverio
oboluss
pedestrian circulation
perendale sheep
perforated crust
pestolike
polar scattering
radio-sets
recessed bollard
ringadoos
roll amplitude
Rosellinia platani
Rumiceae
safety device adjustment
sanabus
scavagery
semi-stable state
sender sequence number
senile eczema
sequence controlled computer
SFW dynamo
SKMR
spectral mode-beat phenomena
square notation
ST_good-and-bad_people-having-good-qualities
standard wavemeter
stereoscopic radius
stopping condenser
Tengri
tertiary colours
tetraglyme
thermonuclear condition
thionolines
torrens
toxaway
Tractites
villers
vitelline disc
Zamboangans