This is the 7646th most frequent Chinese word.
辐射
Radiation.
Here, '辐射' is used to refer to the physical emission of energy or particles, such as from a nuclear source.
核电站释放的辐射对人类健康有潜在威胁。
The radiation released by nuclear power plants poses a potential threat to human health.
In this context, '辐射' pertains to the dissemination or emission of signals in a technical equipment context.
这个天线能够有效地辐射无线电信号。
This antenna can efficiently radiate radio signals.
Here, '辐射' metaphorically describes the spread or extension of influence or impact in a figurative sense.