相对凸模直径

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(110) / 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(73) / 评论(0) 分类 有声英文阅读

Will the reader please to cast his eye over the following verses , and see if he can discover anything harmful in them? Conductor, when you receive a fare,Punch in the presence of the passenjare! A blue trip slip for an eight-cent fare,A buff trip sl

发表于:2018-12-06 / 阅读(195) / 评论(0) 分类 马克吐温最佳短篇小说

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(39) / 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(56) / 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(44) / 评论(0) 分类 英语PK台

In the men's room Taylor: What are you two doing in here? Holly: We heard you weren't feeling well, so we came to check on you. Taylor: I was sitting there giving out nametags and all of a sudden, there she was. Holly: Who, Femi? Yeah, Yi-jun saw her

发表于:2018-12-25 / 阅读(105) / 评论(0) 分类 Eztalk美语会话

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(48) / 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(82) / 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(76) / 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(51) / 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(78) / 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(80) / 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(119) / 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(95) / 评论(0) 分类 购物-Shopping

歌词如下: What can you do, Punchinello, funny fellow? What can you do, Punchinello, funny you? We can do it, too, Punchinello, funny fellow, We can do it, too, Punchinello, funny you! You choose one of us, Punchinello, funny fellow, You choose

发表于:2019-01-28 / 阅读(92) / 评论(0) 分类 英语儿歌274首

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(95) / 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(45) / 评论(0) 分类 新西兰英语

今天我们要学的词是one-two punch。 One-two punch, 是从拳击运动来的,意思是左右开攻,连续猛击。 Snow storms and freezing cold delivered a one-two punch to the North, 北部地区受到了暴风雪和冰冻天气的连续打

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 英语单词荟萃

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(41) / 评论(0) 分类 万物简史
学英语单词
accelerator coefficient
Ad. Fin.
adjoint variational method
adjustment of leveling circuits
agco
am/qam system
ammonium nitrate-fuel oil mixture
Anmore
antibioses
antinervin
areal type of industry
atopic hypersensitivity
Bankwasser
bathygraphical
Bornaviridae
check-valve body
cherish life
co-teacher
cold-drawing speed
condole with sb. on sth.
counter-hedge
counterfeit
croul
cylinder bank
cynoglossum amabiles
distributed recovery
drain-off system
duty of shipowner
equal ignorance
eternal life
euphemises
family Lophosoriaceae
fetal-cell
fixed interest securities
fixed periodic block
fringe count
fuel conveyor
gelatin relief process
gray resolution of image
grunt-work
hepatotoxicology
HHOJ
hull plating
infantile ataxic cerebral paralysis
ink surface tension
isonodososide
konjak
land riding
ligameata pubicum inferius
Luhombero
mechanical stress relieving method
methoxyadiantifoline
microsporosis flava
molecular sieve
movable nu
multi-vibrators
Mzuzu
Nam Ly
ophichthus tsuchidae
overall frequency response characteristic
Padouca
pentacarbonyl-iron
perfunctories
podobranchiae
post-modern
prionid
race walking
reading stimulation
real-problems
reduce someone to the rank of
regio mammalis
reserve personnel
rust of beet
scrap recycle
shaft-driven oil pump
sippers
solemnty
spawner
stir a hand
strathcarrons
structural similitude
subunit model
sucker-rod pump
sudgerne
swangs
swapper
telephone repeator
temporary working space
Texas Rangers
torsion bar retaining cap screw
trans sexual
tripinnately compound leaf
Troyanovo
unconventionalities
ungracefully
unholier
unsatirically
upsize
Velada
weather type
x-rayeds
ysalamiri