中心裂纹拉伸试件

southeast n./a.东南,东南(地区)的 southern a.南部的,南方的 southwest n.a.西南,西南(地区)的 sow vt.播种;散布,传播 vi.播种 space n.太空,宇宙;空间 vt.把分隔开 spacecraft n.宇宙飞船 spade n.铁铲,铁

发表于:2018-12-01 / 阅读(158) / 评论(0) 分类 大学英语四级词汇拼读版

Two things I think really were what it came down to for many: 众多原因中,我就想谈两点: a) Someone that big who's that athletic. Dude is the size of Dwight Howard. a)这么大块头的人还有这么强的运动能力。他的身板都赶

发表于:2018-12-01 / 阅读(140) / 评论(0) 分类 英语新闻

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发表于:2018-12-04 / 阅读(241) / 评论(0) 分类 外研社新标准高中英语必修5

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发表于:2018-12-04 / 阅读(172) / 评论(0) 分类 外研社新标准高中英语必修5

[00:03.70]第七部分 肠胃不适 [00:07.39]1.What did you have for lunch? [00:16.52]午饭吃的是什么? [00:25.65]2. Have you vomited? [00:32.48]呕吐了吗? [00:39.31]3.Please open your mouth and say 'ah'. [00:48.18]请把嘴张开,说'啊'. [00:57.05]4.I'll give you

发表于:2018-12-05 / 阅读(173) / 评论(0) 分类 医疗服务英语

WC是厕所的标示,这是国内任何人都知道的。而且知识分子都该知道这是Water Closet的简写。但这个非常正式的英语,在英语系国家,也就是在美国或英国,根本看不到。据说把这种标示用在厕所

发表于:2018-12-12 / 阅读(170) / 评论(0) 分类 英语阅读理解

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(九)月

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发表于:2018-12-29 / 阅读(158) / 评论(0) 分类 外研社新标准高中英语必修5

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发表于:2018-12-29 / 阅读(174) / 评论(0) 分类 外研社新标准高中英语必修5

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发表于:2018-12-29 / 阅读(207) / 评论(0) 分类 外研社新标准高中英语必修5

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发表于:2018-12-29 / 阅读(191) / 评论(0) 分类 外研社新标准高中英语必修5

Grammar Girl here. Today I'm going to talk about on accident versus by accident and how language changes. Some of the most difficult questions I get are from non-native English speakers who want to know why we use a particular preposition in a specif

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 英语语法 Grammar Girl

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

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发表于:2019-01-10 / 阅读(211) / 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:2019-01-10 / 阅读(325) / 评论(0) 分类 外研社新标准高中英语选修9

Ⅱ. Sales Letters 推销信 The sales letter is a form of advertising. It aims to sell particular kinds of goods or services to selected types of customers. Specimen Letters 1. Ordinary Sales 一般性推销 Dear Sirs, We are pleased to send you wit

发表于:2019-02-02 / 阅读(141) / 评论(0) 分类 实用英语

Ⅱ. Acknowledgment 认收 Specimen Letters When a seller receives his customer's order he usually acknowledges the receipt of the order. The following are some printed routine acknowledgments: (1) XI'AN TEXTILE CORPORATION 164 East street, Xi'an Tel

发表于:2019-02-06 / 阅读(207) / 评论(0) 分类 实用英语

When it comes to pandas, you probably thought things were strictly black and white. 一提到大熊猫,你可能会以为只有黑色和白色。 But meet Qi Zai, an extremely rare brown and white panda whose colourful appearance has left scientist

发表于:2019-02-07 / 阅读(141) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关

发表于:2019-02-24 / 阅读(190) / 评论(0) 分类 经济学人科技系列
学英语单词
a curl of the lip
acnitrazole
ad-heavy
advisory commission
altiplanoes
alveolar plate
antecedent river/stream
appias olferna peducaea
ASMX
atto-newton
backup withholding
battant
blade spacing
Brutus
Buraydah
canditoxin
chalkogen
chlorodeoxylincomycin
cistvaens
clavidisculum acuum
collision-course homing
complete packing
corrugated siding
count of cloth
creeps on
cronecle
Cubzac
differential energy spectrum
DQT
dr death
dubi
eastern pipistrel
Edinburgh Duke of
educational purpose
elkan
epitrochasm
eye in the sky
fiduciary contribution
field-theoretic
fractured surface
fully-penetrating well
galactographic
glistring
grammatolatries
guinever
inch dimensioning
instr.
intellectuate
iwt
kasumigaseki
lichexanthones
lip defect
liquefied noble gas
lobiform
luckily
materials returned journal
MERDL
microfilm durability test
monitoring for resistance
necrogenic abortion
NetDial
Ninety Mile Beach
objectdeletion
offsite backup
oohed
paid other expenses
peripheric
pole-fleeing force
polyclone
Putifigari
reciprocating tachycardia
resampling procedures
rubber tips
safety cock
sand cat
sludgebucket
snow climate
Sochong-do
special investment department
spoken to the point
spongovostox semiflavus
straight-wall core shell
student pilot
subject of medical aesthetics
surface effect aircraft
surface reistance
switch-base memory loader
talismantic
Theophylline-guaiphenesin
to bits
transportation order
treatise
turbo planetary concrete mixer
university of technology
unsympathising
up anchor
vapor bypass
wake efficiency
Wareham
weedings-out
whole-language
zygite