压痕直径;印痕直径

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(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(153) / 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(103) / 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(125) / 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(107) / 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(124) / 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(153) / 评论(0) 分类 突破英文词汇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 notion [ 5nEuFEn ] She had a notion t

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 每日攻克5词

My husband and I are both writers. During dinner conversations, we often tell our children about our working days. It wasn't clear how much they absorbed until one day I overheard my seven-year- old,

发表于:2019-01-03 / 阅读(123) / 评论(0) 分类 英汉幽默故事选读

My husband and I are both writers. During dinner conversations, we often tell our children about our working days. It wasn't clear how much they absorbed until one day I overheard my seven-year- old, Lucy, cry out in frustration at her five-year-old

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 趣味英语

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(143) / 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(119) / 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(150) / 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(147) / 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(186) / 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(167) / 评论(0) 分类 购物-Shopping

Good First Impression 良好的第一印象 A young doctor was just setting up his first office. He had just rented a beautiful office and had it furnished with equipment and fittings. 一个年轻医生刚刚开设了自己的第一家诊所。他刚刚

发表于:2019-01-28 / 阅读(148) / 评论(0) 分类 英语小达人

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(114) / 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(100) / 评论(0) 分类 万物简史
学英语单词
'Alā'āl
-opolis
acanthocarp
alectryomancers
all and sundry
amazes
antipendium
auxiliary box
backwash ripple mark
be of a quick temper
beaudouin
Bensokain
Bighorn R.
birth-control
bottom paving
breneage
cancellers
carbinoxamine
Central American Trade Area
check gate
chromium(iii) chloride
club mosses
Cnidosporidia
colder than a witch's tit
columnae rugarum vaginae
comma movable
conceivement
conjugate groups of linear substitutions
copper clad plate
correlation-measuring instrument
cotton wool balls
d'tat
decapetalous
eddy-current flaw detection
electron optical system
end elevation
enymy
equal instalment system
euth
expectation of obedience
false pyroelectricity
fast neutron activation analysis
flight from the dollar
fluidify
get the point
Gradenigo's syndrome
hammer-forging
hardware circular buffer
head load system
heavy side
high-beam
history of developing strategy
incision and drainage of breast abscess
induction spark coil
joule effect
Kayakentskiy Rayon
kg-cal
Kitekat
launching shock
lechatelierites
LED (light-emitting diode)
lounges
magnesicm anode
matrix trace
mechanic helper
migrant shrike
mineral secondary
moindre
molecular emission spectrometry
noronha
nuclear stability curve
ocean-racing cruiser
Okitsu
oncocytic adenoma
orses
overnight loan
pgce conversion
pogoes
polyester wire enamel
postoculars
pseudographer
purchase and sale price differentials
retral
revival of Literature
sand hardness
self oscillation method
separative signal
SFW dynamo
spheroidal cast iron
stimulated-emission
sulfophosphates
sweet ball
syntheticroute
table adjustment
Te-Hua ware
Thot
time-stratigraphic classification
trees-of-life
turbulence resistance
ulmus pumilas
weighted average method
yawling