直径系数

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(231) / 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(191) / 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(138) / 评论(0) 分类 双语有声阅读

Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

发表于:2018-12-11 / 阅读(187) / 评论(0) 分类 万花筒2008年

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(164) / 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(138) / 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(159) / 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(189) / 评论(0) 分类 突破英文词汇

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(183) / 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(162) / 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(184) / 评论(0) 分类 与美国小学生一起学英文第5册

The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

发表于:2019-01-10 / 阅读(212) / 评论(0) 分类 英文摇滚歌曲

Taylor Swift's 'Red' Among 2012's Best Sellers Swift is used to breaking sales records and she continues that trend with Red. The album sold more than 1.2 million copies its first week of release, which makes Taylor Swift the only female artist in So

发表于:2019-01-14 / 阅读(153) / 评论(0) 分类 VOA标准英语2012年(十一月)

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(182) / 评论(0) 分类 职业技术英语口语

DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p

发表于:2019-01-16 / 阅读(253) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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(224) / 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(211) / 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(199) / 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(146) / 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(138) / 评论(0) 分类 万物简史
学英语单词
a baby grand
abrasive ground
add fuel to the flame
alimentary infection
anomalous innominate artery
anti-freezing hydrant
atavism reversion
attribute of Chinese characters
audit level
baseline drift corrector
bibe
Boksitogorsk
bolides
box ventilator
bunchings
Cheyyar R.
colemanite-barytes concrete
coming down to
comprehensive use
conjugate mapping
continuous delivery
corpuscularian
cycloidian
die finish
diphenylthiocarbazone
document statistics
Dolichopterygidae
dry elutriation
electronic telegraph switching system
electrothermal voltmeter
ensoap
extinguishing and protection
file cutter
fluorescence line width
Fontenay-le-Comte
fundus of internal acoustic meatus
Gol Gol
gravity pipeline
greensticks
hard-knocks
haul into
high-temperature hot water
hyperelastic
infra-red ranging and direction finder
internetwork(ing)
is there any advantage in...?
KTV parlours
lake nyasas
laminated yoke
linear addressing architecture
liquor natrii phenatis compositus
literary historian
manvers
mean tone scale
monosymmetric aprosopic cephalothoracopagus
mousseline de sole
nested statistical models
Nihali
off-line UPS
owens dust recorder
parent wave
parti pris
pencil type probe
pennebaker
phenytoin sodium tablet
physics of earth interior
Poa nitidespiculata
power-operated relief valve
prickless
proportional elastic limit
provisional note
reconciliation of reciprocal account
reference meridian
right of invention
rosmersholm
Sanmen Gorge
scapular dislocation
sequential inference machine
shed repair
Sieur's test
sintered light metal
skimmmer (adjustable weir)
sol-gel method
Spickard
standard series method
starting taper of reamer
statement grouping
stock position report
subperiosteal infiltration anesthesia
Sulayyimah
supernacular
synchronous transmission device
teasets
this love
three-high house
tie-intransformer
tinker away at
Ursa Minor system
user programmable data acquisition system
very-low-frequency highpotential test
wire brush finish
yld