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 blo...

“打气筒”的英语可以翻译为：pump，inflator ...