caulked cusp

例句：

1. 1. The old house needed to be caulked before it could be renovated.
   这所老房子需要先进行密封处理才能进行翻新。
2. 2. The leaky pipe was caulked with a special sealant.
   那个漏管道被一种特殊的密封剂密封了。
3. 3. The car's engine compartment was caulked to prevent water ingress.
   汽车引擎舱被密封以防止进水。