形容词
中文翻译：密封的
同义词：
['sealed', 'tight', 'airtight例句：1. The bag is air-tight to prevent any leaks.（这个包是密封的，以防任何泄漏。）2. The door was air-tight so that no one could have entered.（门是密封的，所以没有人能进入。）']
例句：
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1. The bag is air-tight to prevent any leaks.
这个包是密封的，以防任何泄漏。
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2. The door was air-tight so that no one could have entered.
门是密封的，所以没有人能进入。
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3.The room was air-tight, and we were able to keep the bugs out.
房间是密封的，我们能够阻止虫子进来。