缩小直径

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(111) / 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(74) / 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(40) / 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(57) / 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(45) / 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(49) / 评论(0) 分类 一起听英语

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: reduced forms in spoken American English. RS: We're talking about forms like whaddaya -- meaning what do you, as in whaddaya say? Whaddaya Say? is also the title of a popular teac

发表于:2018-12-30 / 阅读(65) / 评论(0) 分类 词汇大师(Wordmaster)

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(84) / 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(99) / 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(77) / 评论(0) 分类 CNN2010年(十)月

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(68) / 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(52) / 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(79) / 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(81) / 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(123) / 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(96) / 评论(0) 分类 购物-Shopping

Broadcast on Coast to Coast: January 16, 2003 AA: I'm Avi Arditti with Rosanne Skirble and this week on Wordmaster, English teacher Lida Baker explains some of the shortcuts that work their way into conversational American speech. RS: They're called

发表于:2019-01-25 / 阅读(166) / 评论(0) 分类 词汇大师(Wordmaster)

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(98) / 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(46) / 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(42) / 评论(0) 分类 万物简史
学英语单词
actual economic theories
adeptical
adult school
alluviums
almost surely convergent
apeth
ATMN
attenuation coeffcient
average data
Baathists
back gearing
backup space flight crew
barsh
bash one's head against a brick wall
baynhams
Bethisy-St-Pierre
bought and paid for
brine liquor
catalogizing
centropages brevifurcus
cerebral granule cell
cetyl phenyl ether
Chadic languages
characteristic of a light signal
circumrote
club cars
co-ordinate link
colour-index pulse separator
comminuted fracture of skull
comparative cost concepts
conformingly
contender
content-addressable memory access
cryptomedusa
cutting divider
Danforth's sign
deep-rooted hand-foot boil
diphencloxazine
Domucor
embarcation
enbed
ethynylations
false tube
fetiches
fibrin calculus
flute
frederick william iis
fruit tablet
general inspection for the whole machine
gold arbitrage
haematinic
hank (unit of length)
height measuring gauge
helloes
heterophragma
hotel accommodation tax
immunocompetence-inducing factor
indie-dance
keep good time
laser disc amplifier
les demoiselles d'avignon
leveling control lever
lose the day
maltotetraoses
Martonvaara
multiple-threaded worm
Narcao
nitrostarch
outform
Perdido, Monte
Pezones
pilosebaceous
play actor
production systems
public college
pyrene marmorata
rascalion
red lacquer
remain glued to sb
return control
Rocky Pt.
roof crane
russian parallel et0l system
s stone
Salpeter process
satellite photographic studies
set beside
Sniders
soil salinity
statistical graphy
steeping press
strategic display
stubbss
sub-parametric element
tape-to-printer converter
throw sth on
time freight
tropospheric correction
West Brit
wet cargo
xetas