轮辋直径

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(406) / 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(287) / 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(273) / 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(288) / 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(262) / 评论(0) 分类 英语PK台

This is Scientific American's 60-Second Science. I am Karen Hopkin. This'll just take a minute. As you probably know, viruses can jump from animals to people, we've gotten flu from birds and pigs, and HIV, the virus that causes AIDS, is thought to ha

发表于:2018-12-24 / 阅读(342) / 评论(0) 分类 Scientific American(六)月

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(301) / 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(343) / 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(330) / 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(342) / 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(318) / 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(310) / 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(270) / 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(372) / 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(340) / 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(332) / 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(298) / 评论(0) 分类 新西兰英语

The European Union says manipulating a benchmark interest rate in London should be a criminal offense. The EU called Wednesday for its 27 member states to set criminal penalties for rigging interest rates to affect the LIBOR [London Interbank Offered

发表于:2019-02-19 / 阅读(339) / 评论(0) 分类 英语新闻

It will be the first mock submarine rescue drill in the history of the RIMPAC, a biennial war game which has been held since 1971. China's newest submarine rescue ship, the Changdao, is making its debut at this year's exercises, which will last until

发表于:2019-02-21 / 阅读(365) / 评论(0) 分类 2016CRI中国国际广播电台

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(254) / 评论(0) 分类 万物简史
学英语单词
acidylating agent
adaptive palette
al qamishli
Albrun P.
Amakusa-shima
animal biology
attitude poll
authophyte
benetech
biodefense
boiler plug alloy
Bosseborn
Canadian Airline Pilot's Association
Cathie unite
Chinese olives
Chocz
computer-aided design
CRacemization
crude oil engine
cube texture
defect of nose
deltic engine
dfas
diplophos orientalis
ditiocarb
Doppler inertial system
Drabble, Margaret
duleek
dyeing defect
ensorcels
error return-information
eruption cylinder
estine
Fieldata code
fog target
forward-step signal
fragilocytosis fragility
full-scale flow
genus bulnesias
genus dianthuss
glarings
globesity
gone down the drain
grind the faces of
Halloween Documents
head of sheaf
hirosaki
induced operator
isotopically labeled compound
judicial reports
juglandaceous
knee and column milling machine
kunzels
language coding
lightly utilized channel
Lock Haven
margin fee system
marsdens
military watch
monohierarchic
moshava
mutes
neutral gas blanket
overtrading
pass it on
penta-X-syndrome
phelloplastics
Pholidota rupestris
plane flow
planished sheet
plumtree
polar of a gauge function
polyxylenecarbonate
positive duration
preventative actions
proestrum
pulse recurrence counting-type frequency meter
rapid traverse speed of tailstock
refrigerator cleaner
requirement description language
row minimum rule
ruled projector
satinize
ship strength research laboratory
special administration
splash against
stopping
subendocardial branches
super-cautious
surface geochemical survey
tabnab
The end crowns all.
timon
tulchin
tunnel-to-tunnel shaft
two-axle bogie
underground parking garage
untreatability
vanalium
washing tower(for removing CO-2)
water-pollution
Whitehall Warrior