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Correct
洞穴
/ dòngxué /
Strokes
Definition
cave/cavern
Example
As a Noun
grotto; cave; cavern; hole
1
Dòngxué
洞穴
tànchá
探察
- Pinyin
- Sentence
spelunking
2
Dòngxué
洞穴
duījīwù
堆积物
- Pinyin
- Sentence
speleothem