动词短语
中文翻译：密封
同义词：
['seal off', 'caulk', 'fill in', 'patch up']
例句：
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1. The leaky roof needed to be caulked off before we could fix it.
我们需要先密封屋顶上的漏洞，才能修理它。
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2. The painter had to caulk off the cracks in the wall before painting.
油漆工在粉刷墙壁之前必须把墙上的裂缝填上。
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3. They caulked off the gap between the floor and the wall to prevent water from seeping through.
他们用密封剂填补了地板和墙之间的缝隙，以防止水渗透。