洁净

• ピンイン: jié jìng
• 漢字の分解: 洁 = 氵(water) + 吉 — clean; 净 = 氵(water) + 争 — pure, clean

意味

清潔である；潔浄な

More formal than 干净, often used in technical, medical, or industrial contexts. Frequently seen in terms like 洁净室 (clean room) and 洁净能源 (clean energy). Can also describe moral or spiritual purity.

例文

1. 手术室必须保持绝对洁净的环境。
2. 这家工厂的洁净车间达到了国际标准。
3. 雪后的城市显得格外洁净美丽。

使い方ガイド

場面: medical, industrial, environment

トーン: technical

正しい言い方

• 请保持环境洁净。(Please keep the environment clean.)
• 这是一间洁净实验室。(This is a clean room laboratory.)

避ける言い方

• 在日常口语中用'洁净'代替'干净' (Don't use 洁净 instead of 干净 in casual speech — 洁净 sounds too formal; use 干净 for everyday contexts)

起源と歴史

Composed of 洁 (clean; pure) + 净 (clean; pure). Both characters convey cleanliness, creating an emphatic compound.

文化的背景

世代: All ages

社会的背景: Professional and technical contexts