聚乙烯, 聚乙烯(PE)

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发表于:2018-12-13 / 阅读(232) / 评论(0) 分类 外研社新标准高中英语选修9

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发表于:2018-12-13 / 阅读(218) / 评论(0) 分类 外研社新标准高中英语选修9

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(63) / 评论(0) 分类 英国学生科学读本

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发表于:2018-12-31 / 阅读(203) / 评论(0) 分类 粉红猪小妹第三季

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发表于:2019-01-10 / 阅读(122) / 评论(0) 分类 外研社新标准高中英语选修8

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发表于:2019-01-10 / 阅读(119) / 评论(0) 分类 外研社新标准高中英语选修8

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发表于:2019-01-10 / 阅读(135) / 评论(0) 分类 外研社新标准高中英语选修8

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发表于:2019-01-10 / 阅读(129) / 评论(0) 分类 外研社新标准高中英语选修8

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发表于:2019-01-10 / 阅读(131) / 评论(0) 分类 外研社新标准高中英语选修7

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发表于:2019-01-10 / 阅读(157) / 评论(0) 分类 外研社新标准高中英语选修9

By David Gollust Jerusalem 01 August 2007 U.S. Secretary of State Condoleezza Rice held talks with senior Israeli officials Wednesday to try to restore momentum to the Israeli-Palestinian peace process. She came to Jerusalem from Saudi Arabia, where

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 2007年VOA标准英语(八月)

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(252) / 评论(0) 分类 英语时差8,16

By Steve Herman New Delhi 14 August 2007 An electrician checks the decorative lights on the Indian gate, at the joint border check post, Wagah, India, 13 Aug 2007 Sixty years ago, India and Pakistan celebrated their newly won independence from Britis

发表于:2019-01-26 / 阅读(290) / 评论(0) 分类 2007年VOA标准英语(八月)

By Sabina Castelfranco Rome 08 April 2007 Pope Benedict XVI greets the faithful before delivering Easter address, 08 Apr 2007 Pope Benedict XVI celebrated Easter Mass in Saint Peter's Square Sunday and made an impassioned appeal for world peace in hi

发表于:2019-02-06 / 阅读(149) / 评论(0) 分类 2007年VOA标准英语(四月)

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(74) / 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(119) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abastardized
absolute optimal function
adjacent channel selectivity
administratice chain of command
amount of physical memory
aprt
automatic-appropriate
automation with feedback control
bebed
body freedom
bowfat
cardioviruses
childe hassams
cold junction compensation
complex fractions
container load weight
duct silencer
dye-dilution
eccentric water distributor
electronic calibration laboratory
Enlund method
extension hunting
Faddeya, Zaliv
filling gun
filter parer
fire resistance rating
flappers
fluid drachm
foam mark
folk-rock
food centre
fuquas
gluier
glycerin abietate
groave
growth retardant
guiding rod
hand-offs
HeLa/fibroblast(hybrid)
heterolytic fission
hold the cards
horizontal condenser
hot isostatic compaction
idjit
jet spinner
Keith's mum
king of arms
Kos'kovo
Krestsy
laminar shear
land and sea breezes
lauric anhydride
leisure sociology
lichtenberg
managed price
marital rights
medicine shows
mid-water
model group
Murdochian
no-nation
nodal method
noncontiguous
offence of illegal infringement of citizens
operating mass
ostalgitis
paintmakers
parcelle
pavement gravel
photosensitive sealer
pike perch
pilot report
Plomer, William
pluractionality
polyvinyl phthalimide
pre-woman
principle of optimality
printed page
puttered around
queste
reference implementations
Ringarum
roll turning lathe
RPG compiler
Sageretia paucicostata
separation instrumentation
slim blade suture needle
spinoblast
standard operand format code
Statements of Standard Accounting Practice
subset construction
take a firm hold on oneself
tandem roller
thalassochemical
triaging
twist untwist method
udoes
underdefine
vellication
verta
VLF radio navigation system
Wenlock Shales