洁净

• 拼音: jié jìng
• 汉字拆解: 洁 = 氵(water) + 吉 — clean; 净 = 氵(water) + 争 — pure, clean

含义

Clean; spotless; pure. Free from dirt, impurities, or contamination.

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.

例句

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。

用法指南

语境: medical, industrial, environment

语气: technical

正确说法

• 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.)

错误说法

• 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)

起源与历史

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

文化背景

世代: All ages

社会背景: Professional and technical contexts