Bat-Signal

名词 n.

英文释义

名词 n.
  1. A thing which serves to attract or summon something. idiomatic,informal
    — The power of that promise is part of why Trump's election win was like a Bat-Signal for hatemongers of all kinds.

词形变化

Bat-Signals plural Bat-signal alternative bat-signal alternative Bat Signal alternative bat signal alternative

词源

From Bat- + signal: the extended (general) sense comes from the Bat-Signal, a searchlight-based distress signal in the DC Universe, used by Gotham City police to summon the superhero Batman.
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