膛线 táng xiàn

rifling (helical grooves inside the barrel of a gun)

Word data

HSK Not in HSK
Frequency 37701st word

Definitions

  1. 1. rifling (helical grooves inside the barrel of a gun)

Characters

Character Meaning
膛 táng HSK 6
hollow space; chest (of body); throat
线 xiàn HSK 4
line; wire; thread