“打气筒”造句

他将心脏比作打气筒(抽水机)有助于孩子们了解心脏的作用.
His comparison of the heart to a pump helped the children understand its action.

她用自行车打气筒给瘪了的轮胎打气.
She blow up the flat tyre with a bicycle pump.

我要替脚踏车打气,可以借我打气筒 吗 ?
Can you lend me a pump to blow up my bicycle tyres?

• #打气筒