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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。
- 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？
- 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。
- cation pump 阳离子泵
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- 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。
- The cation penetrates the spore. 这种阳离子能透入孢子。
- 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?
- Cation, but he seems to be much of a scholar. 据说他未受过高等教育,但他看上去很有学者的风度。
- The sodium is removed with cation exchange resin . 钠用阳离子交换树脂来分离。
- The cation penetrates the spore . 这种阳离子能透入孢子。
- 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。
- Neutralize the harmful cation, reduces the radiation electric wave. 中和有害正离子,降低辐射电波。
