HSK7-9
lóng
mine shaft
穴 Meaning component
xué
cave
hole
隆 Sound component
lóng, lōng
prosperous
窿
mine shaft; cavity, hole; cavity; hole
窟窿
cavity
窟窿眼
small hole
Make Me a Hanzi
Unicode
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing