air pump
air pump — noun
1. a machine or hand tool used to put air into something, take air out of it, or ke
a machine or hand tool used to put air into something, take air out of it, or keep air flowing through equipment
Kabir used an air pump to fill the football before practice.
use + air pump + to-infinitive
The nurse checked the air pump beside Mr. Lin's hospital bed.
collocation: check the air pump
Renata packed a small air pump for the camping mattress.
Eli used an air pump to remove air from the storage bags.
Sora switched off the air pump when the fish tank grew noisy.
- pump
a broader word that can move liquids as well as air
- inflator
usually refers to a device for filling something with air, not removing it
- air compressor
a stronger machine that forces air under pressure, often for tools or tires
用法筆記
Common with things that need air added or moved, such as tires, air beds, fish tanks, and medical cushions. In technical settings, it can also remove air from a space or push air through another device.