向器外径

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(201) / 评论(0) 分类 美国学生世界地理教材

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(178) / 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(127) / 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(144) / 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(124) / 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(147) / 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(171) / 评论(0) 分类 突破英文词汇

algebra n. 代数 algorithm n. 运算法则 circumference n. 周长 curve n. 曲线 database n. 数据库 decimal adj/n. 十进制 diameter n. 直径 dimension n. 维 equation n. 方程式 facet vt. 刻画平面 geometry n. 几何学 graphic adj. 生动

发表于:2018-12-30 / 阅读(178) / 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(166) / 评论(0) 分类 CNN2010年(十)月

A: Have you talked to Mr. Smith about Ben's obscene speech towards you? A: 你跟 Smith 先生提过 Ben对你讲的猥亵的话吗? B: Yes, but he brushed it off as if it were not a big deal to him. B: 有! 但他轻轻带过(不理), 好像觉得那并

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 美国俚语

HEALTH REPORT -October 30, 2002: Breast Cancer Operation Studies By Nancy Steinbach This is the VOA Special English Health Report. Two new long-term studies have compared two operations for early brea

发表于:2019-01-09 / 阅读(167) / 评论(0) 分类 健康与环境

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(145) / 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(175) / 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(167) / 评论(0) 分类 职业技术英语口语

LA brush fire closes Getty Museum Hundreds of people have been evacuated (被撤退) from the world-famous Getty art museum in Los Angeles as a brush fire rages in nearby mountains, officials say. The fire broke out around 1300 local time (2000 GMT)

发表于:2019-01-18 / 阅读(184) / 评论(0) 分类 英语新闻

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(210) / 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(190) / 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(189) / 评论(0) 分类 六分钟英语

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(135) / 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(120) / 评论(0) 分类 万物简史
学英语单词
activated sludge sewage
albanite
alchemistically
Ansuman
antenna shortening capacitor
anti-friction bearing material
assembly cost system
battye
beam-limiting aperture
benthamidia japonica chinensis
bitchat's ligament
black compression
bombinatorid
cable gland
caducean
car kilometer
Cassano delle Murge
chimney pk.
choked layer of sand
chop block,chopblock
conventional mandrel
corona quenching effect
coxsackieviruss
dacnis
debonairly
deflection distortion
deoxyribonucleic acid replication
ecliptie
emergency-call
endamoeba histolyticas
flickerless
Flåren
four-seam fastball
genus Tacca
government control
gravitoelectromagnetism
ground control of landing
high-silicon bronze
hockneys
househuntings
hyalodiscus subtilis
icterus gpavis familiaris
imperial examinations
in red ink
Jurisdiction of Ship Arrest Action
likepole
Līth, Wādī al
macroangiopathies
major seconds
Mbanza-Nganga
melissic
methanometry
mixing space
multiferroicity
neptunium ethoxide
non-retractable fin stabilizer
non-routine
Oberostendorf
operational cost control
oratosquillina manningi
overdecoration
pe-ter
pedagogical log
pervious wearing course
plasmapheresis
powder-post damage
pretechnological
procedurization
pronunciability
psychiatric conditions
pulsed column
purplish pink
pyranoside
radial cut ring
retarding culture
sawdusting
scaleable typeface
Sea Lake
sectoral velocity
set forth something
silk screen paint
sliding-friction
solar drive
stablehead
stack size
Ste-Maure-de-Touraine
Stella Matutina
strictly monotone decreasing
swivel of the hand
t-word
The same goes for
three-ridge
Thyopac-3
titty fuck
trianguloscalpellum uniarticulatum
underground(subterranean)stream
untransposed winding
ustilement
utilization of feed energy by an animal
vicarious surrender
warning of attack
Xylocarpus Koenig