单词:vapour hazard index
单词:vapour hazard index 相关文章
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
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
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
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
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
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
action ['kʃən] n.行动,动作,作用,活动 boast [bəust] n.v.吹牛 complete [kəm'pli:t] a.完全的,完成的;v.完成 dictate [dik'teit] v.听写,口授 existence [ig'zistəns] n.生存,存在 hatred ['heitrid] n.厌恶,憎恨,
从下个月起,凡是违犯职业危害法规的中国企业和工厂将被强制关闭,并处以最高额为 30 万元的罚款。 请看《中国日报》的报道: If an employee's health has been affected by dust, toxic substances and othe
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
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
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
the die is cast是木已成舟、大局以定的意思。据牛津词典记载,“the die is cast”,这一成语是指骰子巳经掷出,犹如覆水难收一般。 这一成语在1592年上演的
今天我们要学的词是hazard。 Hazard, 是危害,危险的意思。混合动力车虽然有利于环保,但是低速行驶时几乎没有声音,对盲人的安全构成威胁, Hybrid vehicles pose a safety hazard for the blind. 最近,有
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
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
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
今天我们要学的词是hazard。 Hazard, 是危害,危险的意思。混合动力车虽然有利于环保,但是低速行驶时几乎没有声音,对盲人的安全构成威胁, Hybrid vehicles pose a safety hazard for the blind. 最近,有
Self-help Traveling 1.越来越多大学生选择自助游,原因是 2.也会带来一些问题 3.你的看法 【参考作文】 Self-help Traveling More and more college students choose self-help travelling rather than arranged tours when they pl
随着交通设施和通讯手段变得更为便利快捷,异地恋在中国变得越来越普遍。《中国青年报》最近的一项调查显示,在2148名高校受访者中,有61.7%的人表示,身边很多同学或朋友都想一毕业就