动词
中文翻译：密封
同义词：
['close', 'seal', 'fasten']
例句：
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1. The door was sealed shut with a heavy padlock.
门被一把沉重的锁紧紧封住了。
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2. The ship's captain sealed the hatch to prevent escape.
船长把舱口封了起来，以防逃跑。
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3. The package was sealed in a plastic bag for protection.
这个包裹被用塑料袋密封起来以保护它。