drop bolt

名词 n.
中文释义

英文释义

名词 n.
  1. A bolt that holds a trapdoor shut.
    — Speaking now as a condemned criminal might speak ere the drop-bolts are drawn, my story, wild and hideously improbable as it may appear, demands at least attention.
  2. A bolt that drops into place when let go.

词形变化

drop bolts plural
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