air pump

air pump读音音标

英 [eə(r) pʌmp]

美 [er pʌmp]

air pump意思解释

n.

排气唧筒，抽气机；

风泵；

英英释义

n.

a pump that moves air in or out of something

同义词：vacuum pump

双语例句

用作名词(n.)Vacuum packaging is produced by pumping all the air out of the package.真空的包装都是用抽气机把空气抽出的。