球(当量)直径

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(238) / 评论(0) 分类 大学英语精读第四册

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(138) / 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(91) / 评论(0) 分类 双语有声阅读

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(133) / 评论(0) 分类 万花筒2006年

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(113) / 评论(0) 分类 与美国小学生一起学英文第5册

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(112) / 评论(0) 分类 一起听英语

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(130) / 评论(0) 分类 CNN2010年(十)月

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 CNN2010年(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(一)月

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(一)月

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(128) / 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(133) / 评论(0) 分类 职业技术英语口语

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且,这还是件很有影响力的事

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 TED演讲娱乐篇

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(169) / 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(151) / 评论(0) 分类 购物-Shopping

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-03 / 阅读(140) / 评论(0) 分类 英语每日一词

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(146) / 评论(0) 分类 六分钟英语

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-05 / 阅读(126) / 评论(0) 分类 英语单词荟萃

For one thing, if this was just the Ebbinghaus effect, 首先,如果真是艾宾浩斯效应, then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 TED演讲教育篇

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(95) / 评论(0) 分类 新西兰英语
学英语单词
-colored
a toss-up
a writ of privilege
actual possessions
aerial shot
air gap characteristic
alcoxide
Alvania
applud
asymptotically nonparametric detector
athlete heart
breathe one's last breath
Burmannia liukiuensis
buy-programs
cassidula paludosa nigrobrunnea
chases away
cohesive affinity
coke whore
compulsory cultivation
computergame
covermounts
cryogenic box
darrius
deep space antenna
denatured DNA
differentiation on endogenous and exogenous diseases
dully
eisenburg
emendately
ercoes
ethnopsychologists
extension hunting
eye secretion and tears
fit in with sth
fixed-length data area
flexible metal conduit
Forbes log
forcipomyia (dacnoforcipomyia) anobaenae
fried chicken meat and vegetable
functional block level
Gandakī Div.
Gauss-Seidel method
general inquiry
GP (gas pressure)
halfnut open
have the corner on sth
hitting the road
hydraion
hydrojack control
hydrophilic nature
infilmed
Jaboatao
lambel
laminae dental
last-in,first-out
lhr
life-skills
low politics
mainvocal microphone
manis temminckii
microcontrolled programmable digital logic
multieffect
multihits
non-residential area
offset transaction
Omboué
otcer
outer dead-centre
outwearies
overlapped wave
parallel-tube amplifier
patent application by electronic carrier
pavilyeas
pipelined architecture
pitsaw-file
plasma displays
poachings
punching out
pythagora
Qian Yi
quality assurance examination
rhizocorm
scrows
sea-launched
secondhand tap
shamosaurine
shifted-gear
simple lens
sine-shaped
sink differences
Sittang
slipproofing agent
slurry packing technique
sports-broadcasting
tertiary septum
twerton
unit line number
valve chest middle bushing
varieose
wallderrick
wmoes
you are welcome to