可凝蒸汽

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(251) / 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(293) / 评论(0) 分类 天真与经验之歌

Broadcast: July 15, 2003 This is Bill White with the VOA Special English Agriculture Report. On July second, the European 1)Parliament agreed to let new 2)genetically changed products enter the Europe

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 VOA2003(下)-农业与经济

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(199) / 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(182) / 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(179) / 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(255) / 评论(0) 分类 英国学生科学读本

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(198) / 评论(0) 分类 英文摇滚歌曲

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. BARBARA KLEIN: And, Im Barbara Klein. Today, we will tell about stress and its effects on human health. Stress is a condition resulting from mental or emotional tension.

发表于:2019-01-12 / 阅读(270) / 评论(0) 分类 2010年VOA慢速英语(十)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(183) / 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(173) / 评论(0) 分类 英国学生科学读本

This is Scientific American sixty seconds science. I'm Shouky Berswek. Got a minute? Jazz musicians are skills introvisers, and now we know that they craft their spontaneous melodies the same way you craft the sentence. Researchers scan the brains of

发表于:2019-01-20 / 阅读(158) / 评论(0) 分类 2014年Scientific American(三)月

Did the British and American governments routinely cover up information about UFOs? The answer appears to be yes to an extent, anyway. The Ministry of Defence has said that it will start releasing thousands of secret UFO documents it's held, for in

发表于:2019-01-30 / 阅读(167) / 评论(0) 分类 英伦广角

68 堪德拉·利维失踪案 DATE=7-14-01 TITLE=IN THE NEWS #489 - Chandra Levy Case BYLINE=George Grow (Start at 01'07

发表于:2019-01-30 / 阅读(216) / 评论(0) 分类 文化聚焦

By Alisha Ryu Nairobi 06 July 2007 International human rights activists and lawyers are condemning reports that Somalia's interim government has carried out its first formal executions since the government body was formed with international backing i

发表于:2019-01-31 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(七月)

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(174) / 评论(0) 分类 英语新闻

In 1990, before the collapse of the Soviet Union, the Moscow City Council changed the names of many, but not all, city streets that honored communist leaders associated with Soviet atrocities. Today, Russian civic activists are calling for a complet

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 VOA标准英语2008年(八月)

By Kurt Achin Seoul 03 June 2008 South Korea is seeking to ease some domestic irritation, with a move that could complicate American-Korean trade relations. Seoul is amending its promise to resume U.S. beef imports by imposing new trade conditions a

发表于:2019-02-06 / 阅读(209) / 评论(0) 分类 VOA标准英语2008年(六月)

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(287) / 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(186) / 评论(0) 分类 英国学生科学读本
学英语单词
alpha-aureomycinic acid
antenna adapter
assembly mnemonic
attiss
balance for specific gravity
becurled
Berovo
Bristamox
Bristol diamond
Brugmansia
cancel title
canon by augmentation
capillamentous
cc-m
chain armor
collective education
Comallo
compensating planimeter
coprophagan
counterindicate
curtright
cytochrome p-450 (enzyme system)
deck-houses
determining cost of layout
dindica purpurata
Double Action Cylinders
electromagnetic velocity metre
embiotocoid
eua i.
family oxyuridaes
for goodness sake
giveness
hand brake chain guide
handling ring
happi
heat accumulation
heterotactic
hexactinellids
hodgett
holocephalans
horoscop
hot rolled steel
Illawarra District
incrassated
inferior choroid vein
infrequent
inwedged
knows nothing about
Königsbrunn
lake plain
longicaudal
master/slave
minelaying cruiser
moans
module amplifier
naming operation
narrow trade
Neuquinon
no load switching in
oceanology
oligocholia
p.t.o.,P.T.O.,PTO
pairing chromosome
panatrophy circumscriptus
pedigree-man
pedunculated polyp
photosyntax
pipeline shore-approach
Pises
PKH
plane-loads
polyadenoma
recce
resword
reverse(reversed)fault
rig a ship
RTCC
sampling process
santalenic acid
schematic design
scottish lallanss
SCSIT
seek employment
shaker separator
Shur-Clens
six-piecer
stationary installation
stensrud
stop latch spring
sunitizing
syntonizing
transformation directive
tricot flannel
tropide
ultimate minimum radius of horizontal curve
vector wave function
wall motion coercive field
whaule eyed
Yasnomorskiy
Z,z
zero-phase-sequence current transformer