动词短语
中文翻译：密封
同义词：
['seal', 'seal off', 'seal in', 'seal up']
例句：
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1.The door was sealed flush with the wall to prevent drafts.
门被密封得与墙完全贴合，以防止风的流动。
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2.The team sealed off the exit to prevent further escape.
团队将出口密封起来，以防进一步的逃脱。
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3. She sealed up the letter before it could be opened.
她在信上密封好，以防它被打开。