seal up
英 [siːl ʌp]
美 [siːl ʌp]
封闭; 密封
柯林斯词典
- PHRASAL VERB 封闭;密封
If yousealsomethingup, you close it completely so that nothing can get in or out.- The paper was used for sealing up holes in walls and roofs.
这些纸用来封住墙壁和屋顶的洞。
- The paper was used for sealing up holes in walls and roofs.