蒸汽压缩机

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(107) / 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(170) / 评论(0) 分类 天真与经验之歌

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(56) / 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(56) / 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(71) / 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(72) / 评论(0) 分类 英国学生科学读本

Dear Annie: I live next door to people who leave their windows open and have the television blaring most of the night, while their children play loud video games. They also run some sort of compressor all day long that's right next to our patio. This

发表于:2018-12-28 / 阅读(73) / 评论(0) 分类 初学者听力文摘精选

C/N Carrier/Noise 载波噪声比 CND Calling Number Display 主叫号码显示 CNET Circuit NETwork 电路交换网 CNF Comfort Noise Frame 舒适噪声帧 CNM Customer Network Management 客户网络管

发表于:2019-01-03 / 阅读(89) / 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(81) / 评论(0) 分类 英文摇滚歌曲

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(69) / 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(59) / 评论(0) 分类 英国学生科学读本

Dear Annie: I live next door to people who leave their windows open and have the television blaring most of the night, while their children play loud video games. They also run some sort of compressor all day long that's right next to our patio. This

发表于:2019-01-26 / 阅读(84) / 评论(0) 分类 英语听力文摘 English Digest

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(75) / 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(128) / 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(70) / 评论(0) 分类 英国学生科学读本
学英语单词
acrylic lacquer
agitatest
apparent output
bass
bath-chairs
beggar's clapper
Brachinus
catagmatic
come up trumps
contendings
coupling of circuits
cut ... in
cylindrocarpon tenue
day labour
dead-naming
desamidize
diksha
dirtying
dress and personal adornment
dynamic derivative
dynamic world
emery wheels
entity-dependent relational schema
ethnologically
extended jurisdiction
extra-strong
fankles
freely-locatable program
fruit dish
gamahe
gelatinating
geographical geomorphology
GGGG
Grevenmacher
ground fault protection
hoe furrow opener
hypercompute
hypercurve
included sentence
indolepropionic acid
intercornual ligaments
interlocutory decision
intermittent typhoid
interpretive dancings
interstate preferential duty
Koungou, Mt.
last length
ledra auditura
ligamenta capituli costae interarticulare
limiting device
logical device order
macrofilaricide
Mayǒng-ri
metal aryl
molecular beam mass spectrometer
multilateral treaties
native sulphur
natural electric field
necessary stool
non-director system
nonobservability
normal file
oedemutes formosanus
omne
over-achiever
palettised
parageusia
pismire
piston ring putting in and out tool
Polish-americans
praeterists
prowfish
ratio meter
real-time colour TV
regn
replowing
Rose Haven
sandbox tree
schistosomes
silent numbers
skenning
Smilde
smirlock
smot
socketed
solarigram
Somers Point
sons harmoniques
stale debt
stumpholes
subsidiary goal
superadds
sweet baby
sychronous pull-in torque
thrust plunger
tire chains
unspectacular
vanilla bean
venturia inaqualis(cke.)winter.
water table slope
wrestplanks
Zangba