noun🔗ShareチューブIn a pneumatic tire, the rubber liner that holds the air."The bicycle tire was flat because the innertube had a hole in it. "自転車のタイヤは、チューブに穴が開いていたためパンクしていました。materialvehicleparttechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share浮き輪This rubber liner, used without the tire on water as a flotation aid."We used an innertube to float down the lazy river at the water park. "ウォーターパークのレイジーリバーを浮き輪で下りました。materialaidsportnauticalChat with AIVocabulary GamePractice Reading
