聚乙烯管

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

白日梦 Pipe dream 知不知道烟斗怎么说?很简单,仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然,谈起pipe(烟斗),免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip

发表于:2019-01-17 / 阅读(69) / 评论(0) 分类 英语口语

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

Pipe dream: 白日梦 知不知道烟斗怎么说?很简单,仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然,谈起pipe(烟斗),免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi

发表于:2019-02-03 / 阅读(57) / 评论(0) 分类 英语口语

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
Adamesque
anencephalies
antral polyp
australopiths
AUTOGRP (automatic grouping system)
balanced modulator
berth safety rope
Bleocamicina
bucket-shops
busted flushes
Capitoline Hill
cerevises
cinemicroscopies
coefficient of contingency
coextinctions
compensatory financial transfer
councilists
CTSS (compatible time-sharing system)
cytapheresis
debit-card
deficiency estimates
dissolve into something
distributed feedback laser
down (out)
end restraint
entune
equations of motion
ethoxyresorufin-O-deethylase
expectee
float measurement
for the second time
foranize
gauge microsize
gene carrier
gurria
Hall unit
hemisection of tooth
heterangium
high frequency emphasis
high-speed handpiece
hung up
hydraulic plate bender
IMDSC
infrared seeker
intercarrier noise suppressor
interpretaments
jines
jipijapa
juneeine
lateral superior genicular artery
lever pantograph
long distance line
luhur
Lysimachia sikokiana
mammillothalamic tract
mateotechny
mega-yacht
methyl propyl ether
microeconomic adjustment measures
mineral hardness
Naretha
otodectic mange
overflow entry hash
passive continental margin
patentability
perichaetial leaf
photosedimentation
phylogenetic relationship
pistolets
pool noodle
post-weld heat treatment
preconceived ideas
premananda
pulse-reflection principle
quality certificate
radula inouei
rate flow
re-heats
rear row velocity stage
replacement agent
saintess
scenics
screwless
short shift controller
single-shot circuit
soda garnet (lagoriolite)
sporocyte
statisitic interpretation
steem curing
Strang
swing-phase
tetrabromothiophene
the potentioneter
time limit for filling claims
time-dependent perturbation
to stand in a white sheet
trofeo
Umm Qurayyāt
usual terms
vanes pump
visual pattern recognition machine
wind cable