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English definition of “inner tube”

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inner tube

noun [C]  /ˈɪn·ər ˌtub/ us  
a round rubber tube filled with air that fits inside a car or bicycle tire
Translations of “inner tube”
in Chinese (Traditional) (輪胎的)內胎…
in Chinese (Simplified) (轮胎的)内胎…
(Definition of inner tube from the Cambridge Academic Content Dictionary © Cambridge University Press)
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