patching cement

例句：

1. 1.The old house needed some patching cement to fix the leaky roof.
   这所老房子需要一些修补水泥来修复漏水的屋顶。
2. 2.The car was badly damaged, so we had to use patching cement to repair it.
   汽车严重受损，所以我们不得不使用修补水泥来修复它。
3. 3. The builder used patching cement to fill in the cracks in the wall.
   建筑工人使用修补水泥来填充墙上的裂缝。