度中值气体动力学直径

So we know that the distance must be about eight thousand miles, as twenty-five is a little more than three times eight. 那么我们就知道从世界一面到另一面的距离肯定是大约8000英里,因为25是8的三倍多一点。 That is no

发表于:2018-12-04 / 阅读(116) / 评论(0) 分类 美国学生世界地理教材

Unit 2 Text B Ad---advertisement---advertising---advetiser Attraction---attractive Designer---fashion designer post---mail produce persuade sb. To do sth. persuasion Leisure time Act---active---activi

发表于:2018-12-04 / 阅读(122) / 评论(0) 分类 自考英语(一)78讲

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(79) / 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(45) / 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(60) / 评论(0) 分类 与美国小学生一起学英文第5册

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 di- 表示使分开,离开 distinguish = di + sting(刺)+ uish 将刺挑

发表于:2018-12-19 / 阅读(47) / 评论(0) 分类 英语PK台

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(53) / 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(89) / 评论(0) 分类 突破英文词汇

arc弧线 arch拱 astronomy天文学 aerodynamic空气动力学的 axis轴 comet彗星 dense稠密 eject驱逐 doctrine学说 gravel砂砾 hemisphere半球 galaxy银河,星系 gauge估计 meteorology气象学 magnitude大小 perpendicular垂直的

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 80天攻克雅思核心词汇

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(82) / 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(55) / 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(82) / 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(86) / 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(125) / 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(101) / 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(101) / 评论(0) 分类 六分钟英语

The sun has gone completely blank for the second time this month suggesting that Earth could be heading for a mini ICE AGE. 本月已经第二次出现太阳黑子完全消失,这预示着地球可能迎来迷你冰期。 Earlier this month, there

发表于:2019-02-13 / 阅读(73) / 评论(0) 分类 阅读空间

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(47) / 评论(0) 分类 新西兰英语

What Makes Hybrid Cars So Efficient ? 最快的车是什么? Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor

发表于:2019-02-24 / 阅读(105) / 评论(0) 分类 英语听力文摘 English Digest

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(48) / 评论(0) 分类 万物简史
学英语单词
ankylotia
arc-flash
Archibald's fever
armature reaction-excited machine
arrivistes
artificial perception
b-girling
barb bolt
basic control system
be on top of sth
Benigamm
Bizameh
bourbon dynasties
calepin
centrifugal culture
Cillobacterium
colchicine effect
combined moisture separator reheater unit
cotton grey fabric
cuboidal epithelial cells
cuspidal locus
cytoxicity
decrease of power density
derg
design liaison
devil's pitchfork
disattend
drawn can
eat one's fill
elfin pipes
feeder fish
ferroresonant power supply
flags down
fuelcell
Graupa
high volume time-sharing
hydroprogne
irremediably
la-z-boys
layout flow chart
life-skill
linear scleroderma
lithaemia
lithium oxalate
ludoviciana
macropore permeability
Messel
Monbahus
naked wire
nanook
Nansikan, Ostrov
neonatal thermoregulation
no matter what happens
non-profitmaking
nwachukwu
Oestroform
office of examining and documentation control
oilgram
one-page structure
orloski
orthomete
outer door
Paku, Tg.
paraplegia tetanoid
permissible application rate of sprinkler irrigation
peroni
Plancha treatment
prefident
preliminary ray trace
pseudoperithecia
pudendal canal
pyranometers
rhoten
rubber rope
sea of channels and collaterals
self study guidance
shearing strength parameter
shop supply
single-tool
slow moving
sub-licensings
subcubic
Swedish Trade Union Confederation
tablet compression machine
take care tonight
temporary duty certificate
tender feeling
the white way
thoracic tumor
three-piece construction
trichophton faviforme
unobtuse
unsightliest
uv-light
viscous hydroplaning
vote-fixings
weight classes
wheel grader
whip guide
WHQL
Wiegold
wind allowance