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单词 all clear
释义 Noun: all clear  ol kli(u)r
  1. A signal (usually a siren) that danger is over 
  2. Permission to proceed because obstacles have been removed

Derived forms: all clears

Type of: permission, sign, signal, signaling [US], signalling

Encyclopedia: All clear

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更新时间:2024/12/21 17:17:12