And that really is the bicycle pump.
这正是自行车打气筒的情况。
At schools, children pump the water through a "bicycle system."
在学校，孩子们通过一种“自行车系统”泵水。
Dan: I want to buy a new bicycle pump.
阿丹：我想要买一个新的脚踏车打气筒。
She blow up the flat tyre with a bicycle pump.
她用自行车打气筒给瘪了的轮胎打气。
Can you lend me your bicycle pump?
能把你的打气筒借给我吗？
What is the most efficient way to pump your bicycle tire?
给自行车轮胎打气的最有效率的方法是什么？
If bicycle pump, then the alignment hole - by-blow look at a better effect.
如有自行车打气筒，则对准小孔逐个吹一下效果更佳。
If bicycle pump, then the alignment hole - by-blow look at a better effect.
如有自行车打气筒，则对准小孔逐个吹一下效果更佳。
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