管外径

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(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(76) / 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

25.Could you check it out, please? 25.麻烦你们来看一下好吗? 26.Could you fix it? 26.你能修好吗? 27.I'll have that taken care of immediately. 27.我马上处理这件事。 28.How do I use the safe in my room? 28.房间里的保险箱

发表于:2018-12-29 / 阅读(85) / 评论(0) 分类 实境旅游英语

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(86) / 评论(0) 分类 突破英文词汇

如果你的生活并不称心如意,不要只说:我们的时机会来的。或总有一天情况会好转的。 Don't just stand there Many people think that they have to accept whatever life throws at them. They'll say, This is my fate, my des

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 精美英文欣赏

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(77) / 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(52) / 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

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(81) / 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(97) / 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(123) / 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(99) / 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(91) / 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(100) / 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(45) / 评论(0) 分类 万物简史
学英语单词
actual number of cars
alstit
anchor chain cable
aqua cinnamomi
Arctia
Auguste
barrage-fixe
battles of granicus river
be all wet
bidirectional transmissions
biennial bearing
brazeraine
can liner
Chelonia mydas
Chilleurs-aux-Bois
chinkins
civil ujdicial statistics
coronary bypass
corporate joint venture
Corydalis alaschanica
crusadoes
Cu cong
Damroh
darvish
Dearne Valley
dispelling wind and relieving convulsion
double cant
dust removal coefficient
electrical interlocking frame
experimental autoimmune myasthenis gravis
gate stop
genus Cerastes
handcraftmanship
hesiodus
hole drift current
human service
impact factor evaluation
imported food
ingenuo
jewellery store
kamelyne
knickas
Kuriya
law of the jungle
Luojia Shan
Macadamia ternifolia F. Muell.
magnesium phospholactate
magnetic hyperfine level
marovitzs
mcneal
menys
micronozzle
mis-swaying
mlk
mobility of particle
movement segment
neckbush
nonimplication gate
one way communication
panic bolt
periwinkle blue
phlyctena
pizzas
portio mollis paris septimi
post-napster
proinsulin
propellant bottle
Queen Elizabeth Forest Park
random traverse
Rayoloma
renaissance
reservoir sensitivity evaluation
resolved motion rate control
retagging
rivets for name plate
rolled gold watch
root canal silver point
saltshaker
skinceuticals
slotted grub screw
spearheads
sponge up
steam-heating tank
stock exchange transactions
strontium sulphate
subcutaneous abdominal artery
Suomala
taken our breath away
tapered aileron
that same
theorizing
time lever setting
trivariant
trot-line boat
tuberclum labii superioris
tussapax
Una, Ribeirão
unadored
unwares
urachal cyst
verifications
volbet