放射性的英文：
radioactive

contamination activity
污染放射性

The detection of radioactivity
对放射性的探测

measurement of low level radioactivity
低水平放射性测量

Accumulation of radioactive waste
放射性废料积存

What is radioactivity?
什么是放射性呢？

radioactive fallout
放射性微粒回降

The radioactive wastes release a lot of energy due to radioactive disintegration.
由于放射性蜕变，放射性废料释放出大量的能量。

There was in nature another element which sent out radioactivity.
在自然界里存在着另一种具有放射性的元素。

Nuclear explosions have released radiative particles into the sea
核爆炸向海洋释放了放射性粒子。

The Geiger counter showed the existence of radioactivity.
盖格计算机显示出放射性的存在。

concrete for radioactive ray shielding
放射线屏蔽用混凝土

The radioactive wastes release a lot of energy due to radioactive disintegration.
由于放射性蜕变，放射性废料释放出大量的能量。

Any of several radioactive gases that are isotopes of radon and are products of radioactive decay
射气几种氡的同位素的放射性气体，是放射性物质衰变的产物

Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.

The Geiger counter showed the existence of radioactivity.
盖格计算机显示出放射性的存在。