流直径;喷嘴直径

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(154) / 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

She still has jet lag. 她仍然有(坐飞机后因时差产生的)疲劳烦躁感。 jet指喷气式飞机,lag有时间滞后的意思,jet lag指坐飞机后因时差引起的不舒适感觉。jet lag 是不可数名词。

发表于:2018-12-25 / 阅读(151) / 评论(0) 分类 蒋健棠英语实用句子

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(154) / 评论(0) 分类 突破英文词汇

54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-04 / 阅读(217) / 评论(0) 分类 科技之光

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

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

Jet - Shine On Please don''t cry You know I''m leaving here tonight Before I go I want you to know that there will always be a light And if the moon had to runaway And all the stars didn''t wanna play Don''t waste the sun on a rainy day The wind will

发表于:2019-02-26 / 阅读(159) / 评论(0) 分类 流行英文歌曲

Helen : This is Real English from BBC Learning English. Im Helen. ZO : 大家好,欢迎收听今天的地道英语,我是刘佳。 Helen : Today were going to look at words and phrases that have recently become part of the English language. ZO : 要掌握地道的英语,重

发表于:2019-02-26 / 阅读(248) / 评论(0) 分类 地道英语在线听
学英语单词
1gl (abbreviation)
alfa-romeo
alpha helical conformation
always supposing
amenity
application for retirement of bill
area of piston
Asnaid
autocoupling hapten
battery boost charge
black discolouration
bound script
breaking plant
cacotopias
Calodendrum
camphene
ceteras
chargehands
choa chu kang hill
chrome-Phengite
civil legal relationship
credit right
Csanadapaca
deez nutz
direct firing furnace
drumstick lobe (sex bud) (in neutrophil)
dry-process rotary kilns
Egglham
elastic-plastic flow
electron-bombarded amorphous silicon
exact divisor
fama
field moisture deficiency
fixed number testing
flow counter
fructopyranoside
fulson
genus Tetrapturus
glassed steel equipment
graveyard test
harpiosquilla melanoura
heterogeneous distortion
homotene
hydrocortisones
hypsometric tint diagram
imbricatings
inclined pea sorter
intercessionary
intra-day
ionogemi
jumbo sausage items
lateral refraction
mean effective stress
motor side
mucus plug
NMSQT
noise level indicator
nonchondrite
nontranssexual
NTC (network and trunk control)
nuclear bomb
nutsiness
o-phenanthroline
occupancy solution
overwriting
patent registration
phosphoric fluoride
piro
pitchcocking
plastic target drone
polysaccharide chemistry
pre-service teacher program
preapproves
prepreg tack
printed wiring
quarter-hard annealing
quiet radio sun
rawky
recurrent abortion
seedling sorting
selen-tellurium
semimodals
shop-talk
shozo
silk tree
soft still
spalisal
spin bundle
standing on one's head
superficial folding
theatrical troupe
things that go bump in the night
traction speed control lever
traffic model choice
transphenoidal
twist variation
unvacillating
us-occupied
vested annuity
virtual channel memory
zygomatico-auricularis