[网络] 直径;外径;内径

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(248) / 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(203) / 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(156) / 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(189) / 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(150) / 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(182) / 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(207) / 评论(0) 分类 突破英文词汇

By Marissa Melton Washington 19 January 2007 As the new U.S. Congress prepares to debate immigration reform and border security, a bipartisan task force has released a report outlining suggestions to simplify and strengthen U.S. immigration policy.

发表于:2019-01-07 / 阅读(278) / 评论(0) 分类 2007年VOA标准英语(一月)

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(204) / 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(204) / 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(184) / 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(199) / 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(195) / 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(243) / 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(231) / 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(210) / 评论(0) 分类 六分钟英语

The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi

发表于:2019-02-06 / 阅读(215) / 评论(0) 分类 VOA标准英语2008年(十二月)

Benni Hemm Hemm 今年4月发行的这张专辑里,第一首Retaliate其实是在家里自己录的,所以音质听起来有在空房间里回荡的效果。吉他的声音空旷而迷离,就像多云的天气里,连唱歌的声音都变得有些

发表于:2019-02-11 / 阅读(196) / 评论(0) 分类 金属

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(161) / 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(149) / 评论(0) 分类 万物简史
学英语单词
adenitis
after peak
alternating-group flashing light
angle beam contact unit
anti-Stokes component
apostil
Armenian Sign Language
azithromycin
B-l's
balisciano
bilepton
bridge numbering
Calyptrocalyx
capitals of hawaii
checkman
chimney-sweeps' cancer
concessional disposal
content unknown
council-board
cricothyrotomies
croson
detective stories
developed water
endosternal
enteric protozoal infection
ergosterol
final election
flash-man
forest aircraft
franska
gallos
gamogenetic ova
Great Fisher Bank
gridded chamber
Guanshan Township
gugging
have to thank for
Herba Euphorbiae Lunulatae
heterocarpus woodmasoni
high-temperature kiln drying
hohfeldian
housekeeping programme
hydraulic folding hatchcover
i.d. (inside diameter)
IAFHN
index forest
input-output storage
instant-messenger
inter-bank foreign exchange market
ion-sound speed
lettishes
lusum
lysine glutamate
make a name for oneself
mary wollstonecraft godwins
Mitsubishi Colt
mobile lavatory
multivariance
nemathelminths
net fixed assets
New York Botanical Garden
noodlehead
output load resistor
Pargonyl
passing flag signal
pivotings
Poroschia
proof sheets
prostatae isthmus
pseudocercospora acaciae-confusae
quick drying paint
reactor coolant (clean-up) demineralizer
rhodobryum giganteum (hook)par
safe copy
sales warrant
salvager
semantic binding
semino
series chart
service in the nature of salvage
slay me
Sleat, Point of
spelenorrhagia
split moss
stellar cosmogony
stenocatantops splendens
surveyals
thamnobryum tumidum
Torgelow
tracing point
tricyclamol methysulfate
trimethyl pyridine
tubular oil cooler
vapor-locking temperature
veendam
ventrisuspension
Vexillabium yakushimense
vinet
Waldburg
watch crystals
weakly acidic cation exchange resin
yemuoside