蒸汽压缩循环

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(138) / 评论(0) 分类 大学英语四级词汇拼读版

maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

发表于:2018-12-01 / 阅读(220) / 评论(0) 分类 用Mp3背六级单词

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(208) / 评论(0) 分类 天真与经验之歌

New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了, 想救人家

发表于:2018-12-07 / 阅读(204) / 评论(0) 分类 60秒科学

1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值;临界值

发表于:2018-12-08 / 阅读(134) / 评论(0) 分类 英文名句短语

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(84) / 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(89) / 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(101) / 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(122) / 评论(0) 分类 英国学生科学读本

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes,it has been uesd in China for almost twenty years. A:在中国有使用CAM的吗? B:有啊,在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

发表于:2018-12-26 / 阅读(133) / 评论(0) 分类 天天商务口语

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(211) / 评论(0) 分类 (科普英语)Earth and Sky

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(185) / 评论(0) 分类 电信英语

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(116) / 评论(0) 分类 英文摇滚歌曲

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

发表于:2019-01-13 / 阅读(137) / 评论(0) 分类 VOA标准英语2010年(七)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(109) / 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(100) / 评论(0) 分类 英国学生科学读本

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(108) / 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(164) / 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(105) / 评论(0) 分类 英国学生科学读本

Classical music fans in Beijing are now embracing a massive work-the complete cycle of Beethoven's 9 symphonies with The Deutsche Kammerphilharmonie Bremen. Paavo Jarvi, an internationally famous Estonian conductor, is the artistic director of the or

发表于:2019-02-14 / 阅读(196) / 评论(0) 分类 2017CRI中国国际广播电台
学英语单词
acidic jet
aediculae
alet
Aspidorhynchidae
attachment of anther
attempted
BCS (burner control system)
beadrolls
blinking reflex
Caldee
catering service
charcoal-burner
CHEX-UP
chih shih
childfuckers
clavicular tuberculosis
comatoseness
compatibility testing
complex excitation
composing rule
coscripts
cycle skipping
deka-cycles
dibasic aluminium nitrate
do some cooking
dream-team
dynamometer
eards
elastomer plastic
erichsen deep-drawing test
ether hydrolase
export-led expansion
exposure logarithm
false longeron
femcunts
fertile flower
forward-firing
generating function of linkage mechanism synthesis
grimselite
information gatherings
intramatrix
Jolles' tests
khamsah
Kompong Cham, Khet
kostman
krakover
land-based stations
louisons
lr-i
macro-relation
Marshallese
measles german
merab
mirror side
mitogenstimulated
mug-up
nasonnement
needle feed rock crank
old stagers
out of one's blood
oxo bridge
p-hydroxybiphenyl
permanent loop junctor
phenolic sulfonamide
plate-type recuperator
precision point
production control department
program gain
puts to
rachford
receptor of radiation
reduced view
remainder of a series
reversible adsorbent
RTF (radio telephone)
saltatory spasm
sankichi
sarhamnoloside
scum-bucket
semen quisqualis
serum sodium
shaft gland
shoot plucking
shyers
slab shears
slow-burner
Sokoke
Soyeonpyeong-do
spatial ability
spin recovery
steam fitting
stereoscope slide
the balance sheet
ticklenburg
tootsy-wootsy
trough compass
unfollows
ventilation device of kiln
without bite or sup
yield torque
zdenekite
zero-phonon