洞穴
dòngxué
cave; cavern
Every meaning
dòngxué
- cave; cavern
Its characters
- 洞dònghole; cave
- 穴xuécave; den; hole
Words with 洞
Words with 穴
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).