inner tube
- IPA[ˈinər ˌto͞ob]
美式
- a separate inflatable tube inside a pneumatic tire.;a large inflatable circular tube for riding on water or snow
noun: inner tube, plural noun: inner tubes
- 釋義
名詞
- 1. a separate inflatable tube inside a pneumatic tire.
- ▪ a large inflatable circular tube for riding on water or snow we cruised down the river on inner tubes