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单词 all clear
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈall ˈclear, n. [countable]
  1. a signal that a danger has passed.
  2. a signal to proceed:got the all clear to start the campaign.

WordReference Random House Unabridged Dictionary of American English © 2024
all′ clear′, 
  1. the signal that an air raid or other danger is over.
  • 1915–20

Collins Concise English Dictionary © HarperCollins Publishers::
all clear n
  1. a signal, usually a siren, indicating that some danger, such as an air raid, is over
  2. an indication that obstacles are no longer present; permission to proceed
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更新时间：2025/2/23 15:15:58