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(187) / 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(166) / 评论(0) 分类 英语新闻

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发表于:2018-12-04 / 阅读(257) / 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(187) / 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(188) / 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(181) / 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(168) / 评论(0) 分类 Scientific American(九)月

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发表于:2018-12-29 / 阅读(181) / 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(192) / 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(221) / 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(212) / 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(177) / 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(160) / 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(160) / 评论(0) 分类 Scientific American(五)月

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发表于:2019-01-10 / 阅读(224) / 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(349) / 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(149) / 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(224) / 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(161) / 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(209) / 评论(0) 分类 经济学人科技系列
学英语单词
A.S.W.
Acacia teniana
adzic
agarose plate
albolineata
Alchevsk
amethystine
anabolie
angular oscillation
antiripening
asphaltum oil
at the top
Available Bit Rate
barber-shops
blood-vascular system
blow-off limit
boiler blow-off piping
bottom sediment
Boulogne-sur-Mer
breathing well
buhrstone mill dressing
bumper end block
cathodograoh
cevemeline
clearing heat and drying damp
coacervate complex
compressed format
concrete anchor bolt
consumation
control ring
corrugated lens
DC-AC
deactivation of catalyst
defaults for double-clicking
distributing system
dittoes
electrical mains
eleutherodactylids
epicyclic
equivalent inequalities
fawcetts
flow diagram
force to do
free-hanging
frontality
generating function of binomial coefficients
genus pithecanthropuses
glidest
helms-burton
imepitoin
immovable bed model
inshade
Jurinea mongolica
laryngeal speech
lipld paoteinosis
locomotions
Mackintosh Red
MACROSOMIIFORMES
magnesium benzoate
Meroz
methylatable
muggily
multiconsumer
Neustrelitz
off mass shell particle
on-board computer
orthonormalize
over-linger
patryarch
plate fill
Rhododendron anthosphaerum
rock kangaroo
Scilla scilloides
selective length field
socio-economic effects
solid-state memory
solomonow
SSP.
standing-place
steakless
Stellwag's sign
stet-hellas
stodgill
stowing away
sullamon
sum check digit
supercycle
telocity
three way pipe
thyymotoxic
time drafts
tombac
triple ejector rack
tune family
us -ward
Venus' flytrap
vinosidine
Watwat
weangeance
welcomingly
windows environment
zero offset optical square