触发引信 chù fā yǐn xìn

an impact detonator

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. an impact detonator

Characters

Character Meaning
触 chù HSK 5
to touch; to make contact with sth
发 fā HSK 3
to send out; to issue; to develop
引 yǐn HSK 4
to lead; to guide; to attract
信 xìn HSK 3
to trust; to believe; trust