钻孔(最大)直径

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(135) / 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(89) / 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(111) / 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(89) / 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(109) / 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(135) / 评论(0) 分类 突破英文词汇

An infra-red life detector system will be used once again for the rescue of the remaining trapped miners in east China's Shandong Province. The system will be deployed once a life channel has been drilled through the underground mine tunnel. The resc

发表于:2019-01-05 / 阅读(117) / 评论(0) 分类 cctv9英语新闻2016年

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(128) / 评论(0) 分类 CNN2010年(十)月

Hodeslea, Eastbourne, November 5, 1892 Dear Sir, I am very sorry that the pressure of other occupations has prevented me from sending an earlier reply to your letter. In my opinion a man's first duty is to find a way(1) of supporting himself,thereby

发表于:2019-01-09 / 阅读(121) / 评论(0) 分类 英语背诵文选第一册

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(102) / 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(125) / 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(130) / 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(168) / 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(147) / 评论(0) 分类 购物-Shopping

It fell out otherwise, for Patterson retreated and left the Confederate general, Johnston, free to go to the aid of the sorely pressed Confederates at Bull Run. 然而出现了意外,帕特森将军撤退,让南方联盟的约翰斯顿将军腾出手

发表于:2019-01-23 / 阅读(163) / 评论(0) 分类 美国学生历史

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(146) / 评论(0) 分类 六分钟英语

The four miners have been named as Guan Qingji, Hua Mingxi, Li Qiusheng and Zhao Zhicheng. They were brought to the surface one after another through an specially drilled access shaft between 9:20 and 10:50 local time, late on Friday. They are now re

发表于:2019-02-14 / 阅读(129) / 评论(0) 分类 2016CRI中国国际广播电台

The most visible decision he made was to kill, once and for all, the Newton, 乔布斯作的最高调的决定,就是彻底地扼杀牛顿项目, the personal digital assistant with the almost-good handwriting-recognition system. 就是那个带有

发表于:2019-02-15 / 阅读(91) / 评论(0) 分类 乔布斯传

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(93) / 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(86) / 评论(0) 分类 万物简史
学英语单词
a straight race
aggravable
ar rumaytha
armbrecht
artocarpus lakoocha
asperatum
assembly-control
astony
barrier coating
be free from prejudice
blue chip shares
boyloving
bush-fighter
Bötersen
carboxy-peptidase
cellular cloud (pattern)
centrolophids
chasteberry
cherry farm
coaxial cylindrical element
coddled eggs
colo(u)rimetric analysis
combined potential
come back with
concurrent output
covercled
cristate
Delphinium candelabrum
discontinuous warping
dormitary
dortures
ecomusicologies
electric conducting material
electro-blotting
expansionaries
extranjera
false ground
fan-assisteds
finickily
franzy
Funiculus spermaticus
gain the upper hand
go flooey
granular cell layer
growth potentialities of economy
Guntersblum
hum and hah
illusory correlation
indicated specific fuel oil consumption
iod-atacamite
keep ... informed of
level of burst
living environmental condition
marginal material production
master stamper
match die process
memorial meeting
merokinin
microprojectile
midcult
monarda clinopodias
net registered
Ninazu
non-industrial business operation
nonbureaucrats
Nyctocereus
opaque paint
outer inspection
overstrong
parental power
peroneal-nerve phenomenon
Pertusariaceae
petted
phenyl tetrabromide
pointrel
pursuivants
radio wave refration
representative sample
self-contained machine
servuss
shagginesses
sharpner
simple-frame core box
socioeconomicss
Spiraea velutina
Sporotrichum equi
surprise fire
Symbranchii
time-division switching system
toughmindedness
trichomoniasis vaginalis
tropodifene
u.n.e
ultrasonic dust-removal
under false colors
unglamourously
unilateral conductor
upstager
urbik
Vernon County
Villanueva de la Serena
water vapor attenuation