凸缘外径

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(181) / 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(155) / 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(107) / 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(128) / 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(108) / 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(127) / 评论(0) 分类 一起听英语

At the same time it would benefit the farmers of those regions by bringing their produce to tide water cheaper than it could be brought by road through Pennsylvania. 同时,这条河还将让住在这个地区的农民收益--他们通过这条运河

发表于:2018-12-28 / 阅读(128) / 评论(0) 分类 美国学生历史

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(156) / 评论(0) 分类 突破英文词汇

How is the preparation for the fair? 展销会准备得怎么样了? How is the preparation for the fair? 展销会准备得怎么样了? Everything is under control. 一切尽在掌握中。 There's going to be a flange in plans. 计戈有变。

发表于:2018-12-31 / 阅读(135) / 评论(0) 分类 玩转商务英语900句

253 、 牙板扳手;丝模扳手 dieholder(stock) 254 、 牙板螺帽 dienuts 255 、 牛皮胶;动物胶 animalglue 256 、 牛油纸 tracingpaper 257 、 牛顿运动定律 Newton'slawsofmotio

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 英文名句短语

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(144) / 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(120) / 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(153) / 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(148) / 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(187) / 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(168) / 评论(0) 分类 购物-Shopping

文本: CAM: Damn! It's a Flange 9000! This could take hours to _(1)_, Or five minutes if you could find the manager. TOMMY: I'll go find where he's __(2)__.

发表于:2019-01-23 / 阅读(177) / 评论(0) 分类 小龟乐游记英语短文

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(164) / 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(117) / 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(101) / 评论(0) 分类 万物简史
学英语单词
Acanthineae
acrotergal
Aeridostachya
amateurish
answer the telephone
auri-argentiferous vein
Ball B.
bchh
be in on it
bitter spar (dolomite)
blending of flavor
briser
british capture clause
buttock planking
centerbit of claw type
Chemotaxins
circumvestite
clio pyramidata lanceolata
coarsener
coemulsifier
communicating functional processes
compilation board
copy field
cross-filling
cuvierian veins (or duct of cuvier)
direct expansion air cooler
direction filter
disc cylinder
doubling
drive ratio
ductus nasofrontalis
e-finance
electron gyrofrequency
embank out
employment policy problem
English springer spaniel
farmerhood
fine crystalline material
flow graph
fluxibility
fresh news
germanene
gossoncus
granuloma of pudenda
groundcovers
hily
horizontal dipole
IIU (input interface unit)
improvement scheme
injection profile thickness
insemination reaction
invariant cone
krebss
liegedom
manipula tor
martez
microblog
mind-style
mommy tracker
motorcoaches
Mukhor-Konduy
multichannel correlator
multiple tangent
N. Y. S.
Naikliu
netilmicin
non-noble
OXRB
parties to the action
polymetatarsia
praeambles
proportional rate
qulifying examination
radial probability function
recurrent tarsal vein
reincarnationism
rock up
semihourly
shanklin
siliceous organism
soil loss equation
special activity
spending on administration and management
splate
ste(i)nine
stereo-acuity
synaptoneurosomes
teacher qualification resume
the writruns
three - quarter time
transmitted light microscopy
tread horse gear
trip-madam
Uvs Aymag
vertical astigmatism compensator
Vosselaar
weighted value of a voltage
weisweiler
white settler
wonkiness
woolds
worid