蒸汽循环式汽液平衡试验器

大学英语四级词汇 082

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(119) / 评论(0)

大学英语四级词汇拼读版

美国有线新闻 CNN 埃博拉病毒

Is Ebola airborne? 埃博拉可以通过空气传播吗? The answer is no, its not. But today, I want to take just a couple of minutes and show you why not. I think youre going to find this really interesting. 答案是否定的。但是今天，我想

发表于:2018-12-02 / 阅读(109) / 评论(0)

CNN美国有线新闻2018年6月

天真与经验之歌:第8篇小男孩的迷路

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(191) / 评论(0)

天真与经验之歌

豆知识 2011-05-15&05-21 比特风暴

Our computer files arent like they used to be. These days a short HD video can be over a gigabyte in size. That's huge. The problem is that the bigger they are, the harder they are to share. Thankfully, we have options that make sharing big files ove

发表于:2018-12-11 / 阅读(88) / 评论(0)

英语解说豆知识2011年

普通高中课程标准实验教科书英语必修4 Unit 2 Working the land

Although he is one of China's most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research. Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers

发表于:2018-12-12 / 阅读(144) / 评论(0)

高中一年级英语

英国学生科学读本第89期:云和雨(2)

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(70) / 评论(0)

英国学生科学读本

英国学生科学读本第88期:冷凝(3)

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(73) / 评论(0)

英国学生科学读本

英国学生科学读本第88期:冷凝(2)

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(84) / 评论(0)

英国学生科学读本

英国学生科学读本第88期:冷凝(1)

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(94) / 评论(0)

英国学生科学读本

人教高中英语高二上UNIT8-1

I couldn't believe my eyes! The car was upside down and the driver was bleeding and screaming. One of the passengers was on the ground. It looked as if she were dead. If I had known more about giving first aid, I could have helped them. People who ha

发表于:2018-12-29 / 阅读(94) / 评论(0)

人教高中英语高二

英文摇滚歌曲：5 Seconds Of Summer - Vapor

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(95) / 评论(0)

英文摇滚歌曲

英国学生科学读本第70期:蒸发作用(1)

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(88) / 评论(0)

英国学生科学读本

英国学生科学读本第70期:蒸发作用(2)

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(77) / 评论(0)

英国学生科学读本

美国有线新闻 CNN 埃博拉不会通过空气传播

发表于:2019-01-19 / 阅读(104) / 评论(0)

CNN美国有线新闻2018年5月

Vape 牛津词典评出2014年度热词

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(87) / 评论(0)

英语新闻

The Worrler of Qi

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(145) / 评论(0)

趣味英语

英国学生科学读本第35期:蒸汽往上冒(1)

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(89) / 评论(0)

英国学生科学读本

2015年12月英语四级作文范文:媒体购物

作文题目：题目要求： Shopping through Media 1. 目前许多人通过媒体购物 2. 媒体购物有利有弊 3. 我的看法 2015年12月英语四级作文范文:媒体购物参考范文： Shopping through Media With the development of s

发表于:2019-02-17 / 阅读(120) / 评论(0)

四六级写作指导

【英语时差8,16】热到底是什么？-上

At one time it was believed that heat was a liquid. Sure, that sounds kind of crazy, but if you think for a second, you might see why. Suppose you have an object thats very hot say a metal spoon thats been sitting in hot coffee. Pick it up and you ca

发表于:2019-02-23 / 阅读(86) / 评论(0)

英语时差8，16

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学英语单词

air bearing disk

air inlet pressure stabilizing chamber