英 语 翻 译 啊 速度啊 速度点 快点 一分钟时间
英 语 翻 译 啊 速度啊 速度点 快点 一分钟时间
Air is all around us. It is around us as we walk and play. From the time we were born air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live in air. We can live without food or water for a few days, but we cannot live for more than a few minutes without air. We take in air. When we are working or running we need more air. When we are asleep, we need less air. We live in air, but we cannot see it. We can only feel itwhenitismoving.Movingairis called wind. How can we make air move? Here is one way. Hold an open book in front of your face, close it quickly. What can you feel? What you feel is air.
Air is all around us. It is around us as we walk and play. From the time we were born air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live in air. We can live without food or water for a few days, but we cannot live for more than a few minutes without air. We take in air. When we are working or running we need more air. When we are asleep, we need less air. We live in air, but we cannot see it. We can only feel itwhenitismoving.Movingairis called wind. How can we make air move? Here is one way. Hold an open book in front of your face, close it quickly. What can you feel? What you feel is air.
英语人气:682 ℃时间:2019-09-02 23:51:49
优质解答
空气围绕着我们,我们走路和玩的过程中,空气在围绕着我们,我们出生的时候,周围都是空气,当我们坐着,空气也在我们身边.我们生存在空气里.所有的生物需要空气.有生命的物质都需要空气.我们呢可以没有食物,和几天没有水,...
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