Do black holes exist?
CC-BY 2.0 (France) Attribution: tatoeba.org #8279722 (lunchmeat317) & #8496270 (maxine) · Tatoeba source · CC BY 2.0 FR
洞
dòng
HSK 3.0 · 5HSK 2.0 · 5
Yue Tan · University of Caen; © 2009 Yue Tan. MP3 preparation: Hugo Lopez / audio-cmn · CC BY-SA 3.0 US
dòng · dung6 (Jyutping)
tóng
Definitions: CC-CEDICT contributors · CC BY-SA 4.0 · snapshot 2026-10-09. Display: consolidated readings, linked characters and marked pinyin. Original data
Character breakdown
洞
- Meaning
- cave, grotto; ravine; hole
- Radical
- 氵
- Strokes
- 9
- Components
- ⿰氵同
- Cangjie
- EBMR
- Four-corner
- 3712.0
Unihan 17.0.0 · Unicode License V3. Make Me a Hanzi · LGPL 3+. Interactive stroke order is available in the study tools.
Example sentences
How deep is the hole?
CC-BY 2.0 (France) Attribution: tatoeba.org #680647 (Source_VOA) & #778479 (Martha) · Tatoeba source · CC BY 2.0 FR