觸發引信 chù fā yǐn xìn

DEFINITIONS

  1. an impact detonator

CHARACTERS

觸 chù touch; butt, ram, gore
發 fā issue, dispatch, send out, emit
引 yǐn
HSK 4
to pull, draw out, attract; to stretch
信 xìn
HSK 3
trust, believe; letter