片平均直径

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(191) / 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(137) / 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(164) / 评论(0) 分类 与美国小学生一起学英文第5册

发表于:2018-12-13 / 阅读(244) / 评论(0) 分类 Wee Sing For Christmas

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(159) / 评论(0) 分类 一起听英语

An average of 800 tornados occur every year in the USA. 美国每年平均有八百个龙卷风。 They can generate wind speeds faster than 250 mph. 龙卷风的风速可以超过时速二百五十英里。 At times, they devastate whole communities

发表于:2018-12-28 / 阅读(163) / 评论(0) 分类 赖世雄英语新闻听力通

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(260) / 评论(0) 分类 优美儿童英语歌曲

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(182) / 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(161) / 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(183) / 评论(0) 分类 与美国小学生一起学英文第5册

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(253) / 评论(0) 分类 2015年VOA慢速英语(七)月

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(十)月

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

发表于:2019-01-14 / 阅读(222) / 评论(0) 分类 VOA标准英语2015年(十一月)

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(181) / 评论(0) 分类 职业技术英语口语

ROBERT SIEGEL, HOST: Ridley Scott's science fiction film Blade Runner was a modest hit in theaters in 1982 and a massive one later on video. Scott's punk noir dystopia initially got mixed reviews, but the director kept re-cutting his film. And by 200

发表于:2019-01-16 / 阅读(170) / 评论(0) 分类 2017年NPR美国国家公共电台10月

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(222) / 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(210) / 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(199) / 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(146) / 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(135) / 评论(0) 分类 万物简史
学英语单词
a nail in the coffin
abraded yarn
Aliaguilla
American persimmon
anti-pollution industry
Arteria sublingualis
Asianisations
ayein
beam trammel
benzylamines
best off
Boksitogorsk
bostons
Bugey, Mt.
Chrompyroaurite
chunner
cold rolled sheet steel
computer spectrum-stripping
comuna
conditional sum adder
continued isolation
convolution of two functions
Conway Twitty
countably additive set function
determinate reflex
Diplococcus siccus
Ditofibrate
down-loads
duant electrometer
dye-polymer recording
early vision
elastoplastic material
electroneuronographically
endocrinid
finger trouble
fiscal transfer
foot doctor
fore and aft
gold value
grandmaws
gravitational shift
Gtsang dynasty
hydrotechnique
impeire
inter-company deposit market
inversely related
Kutta-Joukowski condition
LHFA
linear diameter
management effectiveness
marmilad
McCloskey
megastructure
microcompute
millibar-barometer
mud gun control console
multicast DNS
murderballs
Nana-Mambéré, Preféct.de
narcoterror
natural period of oscillations
neurosphere
neutralization pond
nonresorbable material
nymphoes
off your rocker
PACOB
PCTV
phansigar
plasticlike
plycondensation
prepaid expense account
public-opinion
pyrenes
raido-frequency spectrum
rebloomed
reflexive process
restfully
retrieval environment
road-maker
Rouse, Cape
S-nitrosocysteine
Sakania
second carbonation
secondary villi
shaping of teeth
shaw
shef
shuttlings
single acting type
snyde
socket gage
Stegolophodon
testing region
thoo
time-value
total cloch
Vitis latifolia
warning alarm
wave device
weight method
wet skid resistance