[网络] 蒸气密度

useless 无用的,没有价值的 user 用户,使用者 usual 通常的,平常的 usually 通常 utility 效用,实用 utilise 实用 utilize 利用 utmost 极度的,极端的,极限 utter 完全的,彻底的说 vacant 空闲的,空缺的

发表于:2018-12-01 / 阅读(178) / 评论(0) 分类 大学英语四级词汇拼读版

The Little Boy Lost 小男孩的迷路 'Father, father, where are you going? 父亲、父亲,你往哪儿去? O do not walk so fast! 啊,别走得这么快呀。 Speak, father, speak to your little boy, 说话呀,父亲,跟你孩子说话呀

发表于:2018-12-06 / 阅读(236) / 评论(0) 分类 天真与经验之歌

This would put a pipeline to take natural gas 将设置天然气运输管线 from the Beaufort Sea through the heart 从波弗特海穿越 of the third largest watershed basin in the world, 世上第三大水域中心 and the only one which is 95 per

发表于:2018-12-08 / 阅读(151) / 评论(0) 分类 TED演讲娱乐篇

Every day the sun's rays change thousands of tons of liquid water into water-vapour; 每天, 太阳光都能够将数千吨的液态水转化为水蒸气; and this water-vapour mingles with the air, and is carried along by the wind. 随后, 水蒸气

发表于:2018-12-18 / 阅读(118) / 评论(0) 分类 英国学生科学读本

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(114) / 评论(0) 分类 英国学生科学读本

Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出:我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体; and by taking away heat from these gases, or cooling them, we tu

发表于:2018-12-18 / 阅读(126) / 评论(0) 分类 英国学生科学读本

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法

发表于:2018-12-18 / 阅读(163) / 评论(0) 分类 英国学生科学读本

City kids have smorgasbord of food choices. But they also face food allergies more than do their country cousins. Researchers mapped food allergies in children across the U.S. And they found more cases per capita in areas with high population densiti

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(六)月

I'll take what you got got got I know it's not a lot lot lot Cause I just need another hit You're the thing that I can't quit You got what I want want want Here and then you're gone gone gone If you told me that we were through You know that I would

发表于:2019-01-10 / 阅读(134) / 评论(0) 分类 英文摇滚歌曲

This is the VOA Special English Development Report. The Sahel is the area of Africa that lies between the Sahara desert to the north and more fertile land to the south. The dry plains of the Sahel are mostly treeless. Yet in Niger, one of the nations

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2007年(二)月

Lesson 70 Evaporation 第70课 蒸发作用 Let us fill a small kettle with water, and place it on the fire. The water will soon begin to boil. After an hour or so we shall find the kettle quite empty, although no one has touched it since it was plac

发表于:2019-01-17 / 阅读(135) / 评论(0) 分类 英国学生科学读本

The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指

发表于:2019-01-17 / 阅读(122) / 评论(0) 分类 英国学生科学读本

So as bad as all that is, things are going to get much worse, much, much worse. 整个情况如此糟糕,而且将会每况愈下。 This is the infrastructure as we see it about now. 以上是我们目前所知的基础设施。 This is what's pla

发表于:2019-01-18 / 阅读(115) / 评论(0) 分类 TED演讲商业篇

As 2014 draws to a close, its time to look back and see which words have been significant throughout the past twelve months, and to announce the Oxford Dictionaries Word of the Year. Without further ado, we can exclusively reveal that the Oxford Dict

发表于:2019-02-04 / 阅读(131) / 评论(0) 分类 英语新闻

The Worrler of Qi A man of the state of Qi was afraid that the sky would fall down and the earth would cave in.The thought that he would not be able to find shelter when that happened worried him so much that he had no appetite for food and slept v

发表于:2019-02-07 / 阅读(195) / 评论(0) 分类 趣味英语

Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(130) / 评论(0) 分类 英国学生科学读本

When, in 1960, still a student, 1960年我还是学生时, I got a traveling fellowship 拿到出国留学的奖学金, to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国, We saw public

发表于:2019-02-13 / 阅读(114) / 评论(0) 分类 TED演讲教育篇

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(130) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 Ancient animal behaviour 远古动物行为 Jurassic lark 侏罗纪雨燕 How the pterosaur caught its supper 翼龙是如何逮到晚餐的 PALAEOETHOLOGY, working out how long-extinct animals behaved, is a subjec

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 经济学人科技系列

-Penny:Leonard might come home. Leonard可能快回来了。 Can we talk in my apartment? 能到我的公寓里谈吗? -Sheldon:We're not done? 还没说完? -Penny:No. 没有。 -Sheldon:Eh, why not? 哎呀,好吧。 We're already through

发表于:2019-03-16 / 阅读(368) / 评论(0) 分类 生活大爆炸第一季
学英语单词
action ex contractus
airout
arives
arm movement
associative action
avras
azmy
backpitch
be coated with
beavan's bullfinch
bekaa valley
bipinnate seta
cadmium zinc telluride detector
Candlemas Day
cholericly
chrysanthemum flower disc console typewriter
cinemicrographic equipment
colquscu (cholkushchu)
correlativeness
Crista vestibuli
danneskjold
defease reaction
desilverizing
distroubled
double declining-balance method of accelerated depreciation
double-length number (numeral)
dynacomm
el-dabadib
electric enterprise
entactin(nidogen)
face lift
Fargesia scabrida
Farrāsh, Jab.al
FNCO
focalized object
gastropancreatic
hound piece
Hävla
ICMP bug
ielpi
in dread of someone
ingoldsby
isometric granular texture
junction breakdown
Karamyshevo
kitna
Leach I.
leucinimide
liberty bells
limiting quantity
line of descent
lisena
lithologists
loadline mark
lubrication nozzle
Luxr
makes appearance
marine batteries
maskus
matricis unguis sulci
Mebichloramine
messels
Miesian
Mockrehna
monodical
mouse coronavirus disease
munications
Murotox
nerve tracts
nonstochastic matrix
nth difference
onfields
operator dial
peak airfoil
Picassian
pile drawing engine
place word
plannar mask
positive lift force
postgenal bridge
postpay
pudong
ramal
Ronchi ruling
roystonea oleraceas
sadaharu oh
salting in
serially uncorrelated disturbance
Shinak P.
steady oscillation
structural thermal low pressure test
surface-to-air missiles
tangent-cone approximation
tautness
throughstation
to be determined
to cross the Rubicon
uk com
unplanned outage state
visceromotor reflex
wainer
waterplanes