扩散 (kuò sàn) — to spread; to diffuse; to proliferate
Definition
A neutral, often physical term for something spreading outward in all directions (sound, light, disease, information). Unlike 蔓延, it suggests radial expansion rather than gradual creeping extension; unlike 传播, it lacks the intent to disseminate.
verb
to spreadto diffuseto proliferate
Easily confused
Examples
- 扩散。Zhè zhǒng xiāo xi zài wǎng luò shàng kuài sù kuò sàn.This kind of news spreads quickly on the internet.
- 扩散。Shēng yīn zài kōng qì zhōng xiàng sì zhōu kuò sàn.Sound spreads in all directions in the air.
- 扩散，。Wèi le bì miǎn bìng dú kuò sàn, dà jiā dōu yào dài kǒu zhào.To prevent the virus from spreading, everyone should wear a mask.
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