扩散

• Pinyin: kuò sàn
• Desglose de hanzi: 扩 = 扌(hand) + 广 (wide) — expand; 散 = 攵 (strike) + components — scatter

Significado

Propagarse; difundirse.

Used in scientific contexts for diffusion of particles, gases, or liquids. Also used more broadly for the spread of information, disease, influence, or conflict. A neutral term that can describe both positive and negative spreading.

Ejemplos

1. 病毒正在以惊人的速度扩散。
2. 香味从厨房扩散到整个房子。
3. 谣言在网上迅速扩散开来。

Guía de uso

Contexto: science, news, disease, information

Tono: descriptive

Correcto

• 请不要让这个消息扩散出去。(Please don't let this news spread.)
• 核辐射扩散到了周边地区。(Nuclear radiation spread to surrounding areas.)

Incorrecto

• 用扩散描述有目的的传播活动。(扩散 implies natural or uncontrolled spreading — use 传播 or 推广 for deliberate dissemination)

Origen e historia

Compound of 扩 (expand) + 散 (scatter). Literally 'expand and scatter.'

Contexto cultural

Generación: All ages

Contexto social: Universal