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(72) / 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(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(54) / 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(42) / 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(47) / 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

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(67) / 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(74) / 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(66) / 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(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(77) / 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(78) / 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(94) / 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(102) / 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(94) / 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(83) / 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(37) / 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(39) / 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(40) / 评论(0) 分类 万物简史
学英语单词
adder's-mouths
afforn
agricultrual timber
alpine region
angle cutting tool
answering device
asphalt block pavements
boliviense
Bou Bernous
braunfels
catacolpate
centre of dispersion
chalk one up
compensation administration
condition of the contract
cyclooctylamine
decrepitudes
defective rail
devachanic
dioxacarb
do as one pleases
do sb's dirty work
doteries
dragoes
escapologists
estradiol benzoate unit
fast red
Ficus irisana
fixation tests
fragmentary material
free-height
fuel injector dead volume
gasteracantha fornicata
gicky
go or no-go
griaule
guiltily
habitay
hadaway
half-coupling
heat reserving belt
heat-shock puff
hoh
image point
jablonski diagram
Java DataBase Connectivity
kachang (gachang)
kosinski
m. iliocostalis
manipulator programming system
marriage of cable and satellites
maximum fuel center temperature
Methylspinazarin
microcode software
net monetary asset
neuromusculoskeletal
noncomedogenic
oino-
oxygen recombination
parabiotic twins
pebble mosaic
plutonium(vi) oxycarbonate
pneumatic hose
preorganized
principiating
projectile vomit
proton microtron
pyramid bugles
pyrgocephaly
regeneration plant
rhodesian men
Sangai
scardiniuss
scullery
separating seedling
service drawing
settling cask
SI (serial interface)
stemmed tobacco
still frame audio adapter
stone staircase
Straight Discount
Strongylus apri
subcommands
suini
switch lever with reversing counter-weight
systema respiratorium
tai dams
the force
thiermann
thyreostat
top bond
trochlear foramen
tubastraea coccinea
Tullus Hostilius
twistons
vir-repression
waverlys
weight note
westins
Yukon-Charley Rivers National Preserve
Zakiya