radioactivity
英 /ˈreidiəuækˈtiviti/
中文釋義
n.放射性，放射(現象)
The emission of radiation from certain substances, which can be hazardous.
常用搭配
- high radioactivity高放射性
- measure radioactivity測放射性
- natural radioactivity天然放射性
例句
- Instruments detected rising radioactivity near the plant.儀器在電廠附近測到放射性升高。
- The safety team logs radioactivity levels every hour.安全組每小時記錄放射性水平。