[网络] 双汽循环

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(100) / 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(160) / 评论(0) 分类 天真与经验之歌

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 (科普英语)Earth and Sky

[00:03.89]Lesson 5 1 Dialogue [00:09.64]Mr Zhu is showing the students of Class 4 the chemistry lab. [00:16.30]Mr Zhu: Now,this is the chemistry lab. [00:20.45]Have you been in this lab before? All:No. [00:25.50]Mr Zhu: Ok,listen carefully,please. [0

发表于:2018-12-13 / 阅读(142) / 评论(0) 分类 高中英语人教版高一

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(46) / 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(47) / 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(50) / 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(55) / 评论(0) 分类 英国学生科学读本

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(162) / 评论(0) 分类 (科普英语)Earth and Sky

A little old lady goes to the doctor ... and says,

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 英文笑话

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(114) / 评论(0) 分类 VOA2003(上)-国际时讯

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(69) / 评论(0) 分类 英文摇滚歌曲

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 2010年VOA慢速英语(八)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(64) / 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(51) / 评论(0) 分类 英国学生科学读本

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 VOA常速英语2008年(四月)

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(68) / 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(110) / 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(60) / 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(145) / 评论(0) 分类 2017CRI中国国际广播电台
学英语单词
adpaper
air-brushes
Ampelopsis hypoglauca
anal pads
annihilation gamma-ray
aritox
arterias
back-sweeten
balanced termination
blanket prohibition
Chang Ling
chemical tanker
chrysazine
chryselephantines
coccidiomycosis
credit cooperative
daily piecework report
diammine palladous bromide
differential pulley
duodenes
Emanatism
entertainability
essential part of mark
eurypholis major
Fahrenheit thermometer
film dispersion method
fluval
from whose bourn e no traveller returns
geosacred
Godwin, William
grandma hypothesis
ground ohmeter
gully head protecting works
heavyheartedness
houbu (japan)
hulkingly
hypothecative
in-line skating
inductance sensor
insentiences
involute gear teeth
keel staple
Kingdom of Bahrain
Kragerφ
L-isoleucinyladenylate
lateral thruster
light sizing
line a time printing
linowes
liquid level inspection cock
look sb up and down
lymph node of epiploic foramen
makes trial of
manie
marjanov
mataris
medullary necrosis of kidney
Melissa, Akra
micromotor dental set
minimal-access routine
morbidity statistics
nucleon moment
ogee dam
page region
paper-tape punch
perspirer
pheneridine
philtrum moustache
pre-column derivatization
propylene trimer
PRTF
pseudoskeleton
quadratic variational problems
quality factors of software
satellite ocean surveillance
see you later alligator
semiperipheries
semiterete
service clubs
sick as a horse
St.Vincent
Stickelberger element
stock value
straight-side hydraulic press
subbase plough
swear an a charge against someone
technical publications
tens of thousands of
thiazines
time-shared common bus
tooth profile error
troop fire
turn of tidal current
UNDC
uranium vein
vinyl polymers
volume absorption
warm-cored disturbance
White's
wimble
yield good economic returns
ziani