溶蚀作用 róng shí zuò yòng

DEFINITIONS

  1. dissolving
  2. erosion by groundwater
  3. corrosion

CHARACTERS

溶 róng
HSK 6
to melt, dissolve; overflowing with
蚀 shí
HSK 6
nibble away; erode; eclipse
作 zuò
HSK 1
make; work; compose, write; act, perform
用 yòng
HSK 3
use, employ, apply, operate; use