动词
中文翻译：Unknown
同义词：
['close', 'seal', 'secure']
例句：
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1.The box was sealed shut with a heavy metal lock.
这个盒子被一个沉重的金属锁密封了。
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2.The treasure was sealed away in the deepest part of the cave.
宝藏被密封在洞穴的最深处。
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3. The letter was sealed with wax and sent to a distant friend.
这封信用蜡密封后寄给了远方的朋友。