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(106) / 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(85) / 评论(0) 分类 英语新闻

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发表于:2018-12-04 / 阅读(177) / 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(128) / 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(128) / 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(124) / 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(118) / 评论(0) 分类 Scientific American(九)月

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发表于:2018-12-29 / 阅读(111) / 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(128) / 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(157) / 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(147) / 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(120) / 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(105) / 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(96) / 评论(0) 分类 Scientific American(五)月

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发表于:2019-01-10 / 阅读(160) / 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(280) / 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(91) / 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(150) / 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(85) / 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(134) / 评论(0) 分类 经济学人科技系列
学英语单词
abruss
activity curriculum
Ada language definition
administrative time limit
aeroway
aitiparticle
Anthony Comstock
applied palynology
arm of ratchet
Asian-Pacific Council
audiometric room
before-image journal
bell captains
bicanere
brow-beating
bush out
butt-hurt
calappa calappa
Caryodaphnopsis latifolia
centrally located systematic sample
channel hopping
circumlocuitous
climate shift
confederately
continous medium
counteract
creep rupture stress
date back
delay one-shot
designi
diametrically opposed
diquinoxaline
Dryburgh
empty nose syndrome
encindered
engers
epoxy resin-based paint
Eriophorum gracile
family credit
flashing (flg)
give place to
Heliothis virescens nuclear polyhedrosis virus
hemiasci
hot water bottles
Hunzib
in in luck's way
incredulousness
intensive factor
isocetic acid
jimmied
Jouy-en-Josas
keefer
Larus canus
light pulse modulation
lock for sweep
lordoses
Maas survey
magney
magnificats
meets up with
megahype
mess hall
misle
mobile carrier
muttony
mysidopsis
nacio
NCS (network control station)
Ngoko
nonreward
number space
oblick
oil-refining
open-circuit ventilation
parcels of land
picric-nitric acid
poor sports
probable error range
punched-card accounting machines
right and might
risk capital
rr. musculares (rr. postt. aa. intercostalium)
Schefflera fengii
Schima crenata
seaman's payroll
Selinous
shagginesses
shishito
sleeve-type engine
split-phase enclosed bus
supersamples
swabble
table handing module
tabular book keeping
technical efficiency
uranium tetrafluoride
Vellev
waffle floor
water rice
willem de sitters
ye olde
zirconium oxide fibre