double action

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. A trigger mechanism requiring a single pull to both cock and fire.
    — Some prefer a double action because it seems more foolproof in the heat of the moment when someone might not be thinking calmly.
形容词 adj.
  1. Requiring only a trigger pull to both cock and fire. not-comparable

词形变化

double actions plural
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