辐射

• 拼音: fú shè
• 汉字拆解: 辐 = 车 + 畐 (wheel spoke, radiating from center); 射 = 身 + 寸 (shoot, emit)

含义

Radiation; the emission or transmission of energy as waves or particles. Also used as a verb meaning to radiate or spread outward.

Used in physics, nuclear science, medicine, and environmental science. Covers electromagnetic, nuclear, and thermal radiation. Also used figuratively for influence spreading outward from a center, such as a city's economic influence radiating to surrounding areas.

例句

1. 核电站在运营过程中必须严格控制辐射泄漏风险。
2. 医院放射科的工作人员长期接触辐射，需要采取特殊的防护措施。
3. 这座大城市的经济活力正逐步向周边城镇辐射扩展。

用法指南

语境: science, environment, urban-planning

语气: neutral

正确说法

• 长时间暴露在强辐射环境下会对人体健康造成损害。(Prolonged exposure to strong radiation can cause harm to human health.)
• 这款新型手机壳声称能有效阻隔电磁辐射。(This new phone case claims to effectively block electromagnetic radiation.)

错误说法

• 辐射了热情 — for abstract qualities like enthusiasm, use 散发 or 传递 instead; 辐射 requires a physical or spatial context

起源与历史

辐 (spoke of wheel/radiate) + 射 (shoot/emit)

文化背景

世代: All ages

社会背景: Universal