花键内径配合

Lesson 8 Should We Diet in Order to Keep Fit? Text How Does It Feel to Lose Weight? Here is a conversation between a heart specialist and a heart patient. Vic: I've been feeling very lonely. I can't e

发表于:2018-11-27 / 阅读(216) / 评论(0) 分类 高级口语教程

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(88) / 评论(0) 分类 有声英文阅读

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 双语有声阅读

Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢? A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

发表于:2018-12-13 / 阅读(67) / 评论(0) 分类 与美国小学生一起学英文第5册

You've been working out regularly for quite a while, but you're nowhere near your fitness goals. So now it's time to bring in your ultimate weapon -- your mind. Rather than thinking of fitness as something mysterious that you do with your body, take

发表于:2018-12-18 / 阅读(91) / 评论(0) 分类 白领英语晨读

Lesson 18 How to Keep Fit Text A Ten years ago I used to be very fit. T cycled to work and I got a lot of exercise at the weekends. I used to play tennis a lot and go for long walks. In those days I d

发表于:2018-12-24 / 阅读(283) / 评论(0) 分类 中级口语教程

围绕树木展开的话题.... Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme, Im joined by Kate. OK Kate, well last week we were talking about tree climbing,

发表于:2018-12-27 / 阅读(62) / 评论(0) 分类 一起听英语

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(98) / 评论(0) 分类 突破英文词汇

我们上次讲了两个个带有fit这个词的习惯用语fit to be tied和fit and trim。今天还要学几个由fit发展而成的习惯用语。第一个是: fit to a T。这里的T是大写英文字母T。Fit to a T是个相当古老的习惯用语

发表于:2019-01-06 / 阅读(141) / 评论(0) 分类 美国习惯用语

BBC Learning English Weekender Keeping fit Callum:Hello, I'm Callum Robertson and this is Weekender. Today, Friday April 7th is World Health Day. A day promoted by the World Health Organisation to raise awareness of health issues around the world. T

发表于:2019-01-06 / 阅读(140) / 评论(0) 分类 Weekender

Hi, I'm Carl Azuz. Welcome to this Columbus Day edition of CNN Student News! We'll be talking more about Columbus Day in just a couple minutes. But first, we're reporting on a breakthrough in Chile. And we mean that literally. A hole big enough to re

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 CNN2010年(十)月

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(64) / 评论(0) 分类 与美国小学生一起学英文第9册

Sand 沙子 If you look around you, you can find sand very easily. 你若环顾四周,就很容易发现沙子。 Sand comes from rocks. 沙子源自岩石。 Each grain of sand is less than 2 millimeters in diameter. 每粒沙子的直径小于两毫

发表于:2019-01-10 / 阅读(89) / 评论(0) 分类 与美国小学生一起学英文第5册

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管? B:What size do you need? B:你需要什么型号的? A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(94) / 评论(0) 分类 职业技术英语口语

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(133) / 评论(0) 分类 购物英语对话

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(108) / 评论(0) 分类 购物-Shopping

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme(节目,计划), Im joined by Kate.

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 六分钟英语

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发表于:2019-02-05 / 阅读(231) / 评论(0) 分类 加州语文教材California Treasures G2

Bad weather meant that oil could not be pumped out of the ship the Rena today. The waves were too high. Pumping the oil is slow work because the oil is cold and thick. The pipe from the Rena to the oil barge is nearly 200m long and quite narrow, 7.5c

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 新西兰英语

Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的,我们活跃的内部使大量气体喷涌而出,帮助建立了大气层, and provided us with the magnetic field that shields us

发表于:2019-02-25 / 阅读(55) / 评论(0) 分类 万物简史
学英语单词
Aduana
anode shot noise
antenna pencil-beam
audimutism
back of arch
ball bearing guide bushing
bank payment voucher
be alienated from
bisy
Bourseigne-Neuve
canonical cohomology class
carboloy solvent
cash on delivery sales
chemiluminesence
cleared spectrum
Concepción, R.de la
count agaist
coupler in emulsion type color film
cryptodidymus
current-voltage diagram
dance-goer
diarrheogenic tumor of pancreas
disconfirmations
Disk-saw
domain theory
ED (erection drawing)
epidermoid cancer
ET'
etching pattern
flame-emitting fumarole
fluorellestadite
Galium bullatum
giving message recovery digital signature
Goryeong
Grasston
hair carry
heliosphere
Hong Ha
hydraulic speed governor
hyperbolic
iconophobia
imidodisulfuric acid
indgena
isonicotinic acid hydrazide
Japanese Engineering Standards
juice vapo(u)r
Karok
lagory
leptochymia
life-web
litter-box
load shedding test
Lovns Bredning
manufacturing projects
marumba saishiuana formosana
master multivibrator
membrane-spanning
memorandist
micromap masters
microsuede
minimicrosphere
mosaic assembly
Moscovici
natural language information system
nolta
nominal audit
one-ten-thousandth
opaque context
parnassia brevistyla (brieg) hand.-mazz.
pettifors
pneumatic manoeuvring system
preprophase inhibitor
program area
resonant internal reflection
Sabalgarh
shaft-turning gear motor
sharpness function technique
sikris
Sorbangyl
spheno-
stotland
strutter
superbabes
tensiometric property
terror mt.
theoretical astrophysics
thin layer
tips-off
tooth crown
trifluoro ether
twimmolations
Ui-gundo
uncompassable
video dissolve
washburns
week day
workhorse
writing sample
Xiaohui
ylem
yonie
zedalon