名词
中文翻译：橡胶内胎
同义词：
['inner tube', 'rubber tube', 'tire inner tube例句：1. He put the bike on the rack and rode it to the park.（他把自行车放在架子上，骑到公园去。）']
例句：
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1. He put the bike on the rack and rode it to the park.
他把自行车放在架子上，骑到公园去。
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2. The driver had to replace the inner tube after hitting a pothole.
司机在碰到一个坑后不得不更换内胎。
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3. The new tire inner tube is lighter and more durable than the old one.
新的轮胎内胎比旧的轻且耐用。