单词：dewpoint water vapour
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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
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
天真与经验之歌
pen pear pan pardon part party pass on past pay pay for P.E. perhaps person photograph pig pill pity plant play playground play with point point to polite politely population possible port PRC prefer prefer...to produce program people quiet quietly r
初中英语词汇
[00:01.91]Page 23 and 24 [00:04.94]Talk about it! [00:06.35]Listen .Point. [00:08.25]bread [00:12.54]cake [00:16.64]chicken [00:20.53]candy [00:25.47]water [00:31.95]juice [00:35.40]milk [00:39.71]tea [00:44.51]yummy [00:51.02]yucky [00:56.61]sweet [
灵通少儿英语第一册
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
英国学生科学读本
and hang it point downwards from a strip of wood placed across the top of a wide-mouthed bottle, or a pickle-glass, or a tumbler, half full of water. 然后尖头朝下悬挂在一片横放在装有半瓶水的宽口瓶、泡菜瓶或平底玻璃杯口
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
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
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
英国学生科学读本
This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a few minutes? Today we have a special edition featuring a brief interview with Sciam editor, Steve Ashley. Steve Ashley, a lot of people are very concerned about oil right now, b
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[00:00.00]MODULE 9 First... Then... [00:08.59]Unit 1 First, Find a hammer. [00:17.03]1 Listen and point. [00:29.39]What are you doing,Dad? I'm going to repair this chair. [00:38.45]Oh! Can I do it? Okay. First, find a hammer and some nails. [00:46.32
新标准小学英语第四册（三年级起点）
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
英文摇滚歌曲
Oysters Return to New Yorks Great South Bay 牡蛎又回到纽约大南湾 The Blue Point oyster is returning to the Great South Bay of New York after almost disappearing from the world marketplace. Over-farming, pollution and Hurricane Sandy had sev
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HEALTH REPORT - How Much Water Should People Drink? By Jerilyn Watson Broadcast: Wednesday, March 03, 2004 This is the VOA Special English Health Report. A new study says people should drink when they
健康与经济
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
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
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
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
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
英国学生科学读本
保护环境主题演讲稿 Protect the Environment, Protect Ourselves Good afternoon, my honorable judges, ladies and gentlemen and fellow contestants: I feel so happy to have the chance to make a speech. The title of my speech is Protect the Enviro
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