聚乙烯共聚物

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(103) / 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(289) / 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(105) / 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(154) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aggregate fund
aggresomal
anchoring time
AND operation
anhydraulic cement
ansine
anti-halo layer
asymptotically equivalent
azimuth tracker
backstocks
balancing cell
be in flux
book out
boundary lubrication additive
bulged out
CAMAC parallel highway
cardiotropic
cat-a-mountain
cheongsams
choke something down
common battery switchboard
condition(al) probability
cpags
cream-coloured
cypress
decivilise
disability benefits
dunnage plank
earthenware coil
Encephalocytozoon
engine cut-off velocity
evidentiating
fatigue test piece
FUBR
fukked
futchel
futureoriented
general syntax
get into a wax
hamfooted
harestane
head-dressing
hear hear!
hull balance
hyper-sensitivities
incivilly
ink up
instant payment
Karwinskia
khadijah
kreosol
lampitt
lattly
lavendulin
local strain method
matinee jackets
meso position
mis-semblance
montecristi
motivation value
motor coordination
mountain climbings
moving-wire hydrogen flame ionization detector
multimode distortion
nipple for auxiliary steam connecting
nitrosothiol
occludens
omiyage
organic degradation
panning room
pappose
parallel vein
Paramount Seamount
pencil structure
phaeosaccardinula javanica (zimm.) yamamoto
Pinnacle Peak
power peak value
preparatory
primrose jasmines
provisional international civil aviation organization (picao)
Rubus macilentus
scheduled intermodal train
scirpus acutuss
scorpaenids
secondary transplantation
Sigalionidae
skeeter hawk
special build-up welding
teasehole
the Rabbis
thiodicarb
tin bronze alloys
trust service corporation
TSL
tube-forming mill
Tursiops gilli
unattended car
vacarro
velvet pile carpet
vowel-sounds
w.parker
white-haired boy