| 释义 |
●ˌseal sth ˈup1. to close an envelope, etc. by sticking the edges of the opening together 粘上（信封等）◆He sealed up the envelope and wrote the address on it.
他粘好信封，然后写上地址。2. to close sth completely so that nothing can get in or out 将…关严◆I sealed up the windows to keep out the fumes.
我关紧窗户挡住浓烟。 NOTE Seal sth is used more frequently on its own with these meanings. * seal sth 单独使用作这些含义更常见。[v + adv + n] [v + n/pron + adv] |