| 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。
 SMART Vocabulary: related words and phrases
 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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