[机] 齿根直径

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(189) / 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(164) / 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(113) / 评论(0) 分类 双语有声阅读

Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t

发表于:2018-12-07 / 阅读(196) / 评论(0) 分类 2011年VOA慢速英语(八)月

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(131) / 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(112) / 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(134) / 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(159) / 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(159) / 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(153) / 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(130) / 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(164) / 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(154) / 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(195) / 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(178) / 评论(0) 分类 购物-Shopping

今天我们要学的词是 root cause。Root cause 根本原因。世界经济论坛说,The lack of competitiveness in Europe is the root cause of financial instability and rising unemployment numbers in the region. 缺乏竞争力是欧洲经济不

发表于:2019-02-03 / 阅读(162) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是root。 Root, 做为动词,是为某人打气,捧场的意思。The whole town is rooting for the local high school football team, 整个小镇都为当地高中橄榄球校队加油。I always root for the underdog, 我总

发表于:2019-02-05 / 阅读(142) / 评论(0) 分类 英语每日一词

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(173) / 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(126) / 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(111) / 评论(0) 分类 万物简史
学英语单词
a victim of disease
aesthetic value
air charging
all burnt time
Antidated Bill of Lading
articulatio radiocarpeas
asverin
Atrax
autoignition
automatic slusher control
bodianus bilunulatus
Bruxellian
Bulbophyllum andersonii
burberry prorsum
button smuggler
cellulose degradation
centripetal canals
Christmastide
co-ventures
colour ratio
complete carry
compound impregnation
conjectures
constant-temperature line
continuous washing machine
corneoblepharon
cretaceously
crushing boulder
Cuando
daily change of air pollution
Daniel Jones
Dictyodroma
direct road
directional operation
do your duty
dynamic characteristic curve
elihus
ESAIRS
euryphagous animal
filopressure
forcipomyia (forcipomyia) chrysothrix
full keyboard input
gas triode
gastroperiodynia
GPSB
Grottaglie
hammerest
holographic film
interfacial free energy
interseminate
langorous
latilla
legal rationality
li-li
macungie
mallan
marginal increment
mashayekh
media outlets
menstrual flow phase
metal monocoque
microantroscope
microbiological cleanliness
n-person constant-sum game
neifs
normal monocable
northern maidenhair
Oosterleek
orlhophenolase
outlet geometric angle
parlow
pinin
point-of-purchase (pop)
polydiene rubber
postlexical transformation
poto
prepatterns
primary malnutrition
pyostacin
quadrigeminus capitis
random bred
rathenan-suter sodium process
Reid,Whitelaw
reinventable
reverse telescope
Robocop
Rocadas(Xangongo)
Saxonians
secondary an(a)emia
spacer deoxyribonucleic acid
submedian attachment
target subtended angle
teletypewriter exchange
tilth rotor
traction strand
traditionaries
upon under compulsion
vane copying milling machine
Victorian age
wytheville
zangnanensis
zucrish