Dictionary/洞

洞

dòng

ㄉㄨㄥˋ
NHSK 5TOCFL L4core 10k
1cave
2hole
3zero (unambiguous spoken form when spelling out numbers)

Characters

洞

Example

hēi黑dòng洞cún zài存在ma吗？
黑洞存在吗？
Do black holes exist?