| 词汇 | seal-off |
| 释义 | seal something offphrasal verb with sealverb[ T ]uk /siːl/ us /siːl/ C2 to prevent people from entering an area or building, often because it is dangerous: 封锁，隔离 Two more bombs have been discovered since the police sealed off the area.警察将这个地区封锁后，又发现了两枚炸弹。 Closing and blocking barricade batten batten down the hatchesidiom be snowed upidiom block something off bung choke closet closing time congest cork dam dam something up fur reseal sandbag seal something in self-seal self-sealing silt |
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