| 释义 |
ra.di.o.ac.ti.vi.tyH.reI7di7EJ7Ak5tIv7I7ti, $-oJ7Ak5tIv7E7tin [U]the quality that some atoms have of producing energy, which may be harmful even in very small amounts放射性Becquerel was one of the first scientists to study radioactivity.贝克勒尔是首批研究放射性的科学家之一。Radioactivity is also used to refer to the energy produced by atoms.放射，放射线，放射现象; 辐射A spokesperson said that there was no danger of a leak/escape of radioactivity from the nuclear power station.发言人说核电站没有放射线泄漏之虞。There is concern about the amount of radioactivity being released into the environment.人们对释放进环境的辐射量表示关注。
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