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- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- archimedes pump 螺杆泵
- This tire is flat; you didn't pump enough air in. 这个轮胎没气了;你并没打足气。
- We have a pump for drawing water from the well. 我们用一个水泵从井里抽水。
- The heart is analogous to a pump. 心脏和水泵有相似之处。
- Can you lend me your bicycle pump? 能把你的打气筒借给我吗?
- A conceptual diagram of an Archimedes heat ray. 阿基米德加热光束的想象图。
- Hydrometers is based on the Archimedes Law. 摘要浮计的原理是以阿基米德定律为根据的。
- Here is an old-fashioned pump for drawing water from a well. 这里有一个旧式水泵可从井里抽水。
- Today, this is known as Archimedes'Principle. 这就是阿基米德定律。
- You will need to pump hard for several minutes to fill the tank. 你需用泵著实抽吸几分钟,才能把油箱灌满。
- Archimedes flourished in the 3rd century B.C. 阿基米德活跃于公元前三世纪; 阿基米德是公元前三世纪的人。
- Archimedes, On the Sphere and the Cylinder, 220B.C. 圆球体的表面积等于球体中最大圆的面积的4倍。
- Can you lend me a pump to blow up my bicycle tyres? 你能借给我个打气筒给车胎打打气吗?
- One story says the Archimedes made a burning mirror to set fire to the Roman ships which were attacking Syracuse. 有一个故事说阿基米德制造了一个火焰镜,点烯了进攻叙拉古的罗马战船。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- It's hard work to pump facts into unwilling students. 向不自觉的学生灌输知识并非易事。
- Pump more air into the tyre; it is still flat. 再往轮胎里打点气,轮胎仍很瘪。