地洞 (dì dòng) — tunnel; cave

地洞

dì dòng

tunnelcaveburrowdugout

就這個詞提問

地

earth, ground, soil; land, region; structural particle used before a verb

部首土部件 ⿰土也

洞

cave, grotto, hole, ravine

部首氵部件 ⿰氵同