洁净 jiéjìng clean
clean; to cleanse
How to remember 洁净: 洁 clean + 净 clean = clean.
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How it is used
- An adjective meaning clean and pure - 洁净的空气 (jiéjìng de kōngqì) clean air.
- More formal/literary than 干净 (gānjìng), the everyday 'clean'; 洁净 suggests spotless purity, common in technical contexts (洁净室 cleanroom).
- Reach for 干净 in daily speech; 洁净 in written or specialized descriptions.