管内径

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(114) / 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(78) / 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(43) / 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(58) / 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(47) / 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(51) / 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(87) / 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(78) / 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(53) / 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(80) / 评论(0) 分类 与美国小学生一起学英文第5册

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(八月)

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(83) / 评论(0) 分类 职业技术英语口语

白日梦 Pipe dream 知不知道烟斗怎么说?很简单,仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然,谈起pipe(烟斗),免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip

发表于:2019-01-17 / 阅读(98) / 评论(0) 分类 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(124) / 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(100) / 评论(0) 分类 购物-Shopping

Pipe dream: 白日梦 知不知道烟斗怎么说?很简单,仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然,谈起pipe(烟斗),免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi

发表于:2019-02-03 / 阅读(92) / 评论(0) 分类 英语口语

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(101) / 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(46) / 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(46) / 评论(0) 分类 万物简史

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(159) / 评论(0) 分类 英语单词荟萃
学英语单词
Adcock antenna
administrative spending
Allium guanxianense
alveolar layer
axial feed method
baby boomerang
basal course
bigyny
bird-on-the-wing
boiling in ducts
boldfaced letter
Brevibacillus
Calamus simplicifolius
carbon dioxide acidoses
chimpanzeelike
Chinchoua
cistoscope
combed decoration
commencement exercise
cubiculary
directv
disc space
ectozoan
efe
embryonic disc
Epidihydrochlolesterin
extratextual
fiber dust
gamps
garlic mustards
grinding season
ground water surface
gusman
gyrth
Hailstone National Wildlife Refuge
halil
hollow tube
hucking
indigenization
King Dick
King Edward R.
laser communicator
Lycoris caldwellii
mass-center motion of spacecraft
medium-security
mercruisers
Merycoidodontidae
microvasculature
monkey-wrenching
motor-driven cable-winch
multi-nut-runner
multi-point constraint
musical talent
noise source
nuclear energy steam boiler
nung ts'an ch?n
on off circuit
on the wrong side of history
one-pint
pairforming
palmer scan
pathocure
PCDC5RP
Peganum
Plantago maxima
pontocythere brevicula
Portola Valley
potato psyllid
precision-guided munition (pgm)
privileged group
protopod phase
rated power (for wtgs)
refchole
Renville Agreement
rudder gland
run yourselves out
sacculocentesis
sales promotions
sculptural relief
set-up sheet
shearing and punching machine
sider-
single phasing protection
slab lines
spectroscopic illuminator
spheric radiometer package
spleniatic
square rubble wall
struck joint work
substandard life
suffragated
tarsale
tavlas
transposition section
unit in charge of construction
upflow principle
Vi agglutination
warmly resolving cold-phlegm
watermeter
when the time comes
Wigner's theorem
xerox machines