n. conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
n. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
n. (anatomy) any hollow cylindrical body structure
v. provide with a tube or insert a tube into
n. 管, 软管, 隧道
vt. 把...装管, 使通过管子
[计] 管子
1. I bought a tube of toothpaste at the store.
我在商店买了一管牙膏。
2. The artist used a tube of paint to finish the mural.
艺术家用一管颜料完成了壁画。
3. He put the map in a cardboard tube to keep it safe.
他把地图放进一个纸筒里以保护它。