It concerns a cat that is sealed inside a box for one hour along with a radioactive element and a vial of deadly poison.

内容是：一只猫被封闭在一个盒子里一个小时，和它一起的还有一些放射性元素和一瓶毒气。

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Stop contact radioactive rays or other chemistry poison.

停止接触放射线或其他化学毒物。

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British officials are still puzzled by the use of this poison, the radioactive isotope Polonium 210.

NPR: Radioactive Poison as an Assassin's Tool

Or you can pick your poison, choosing between surgery to remove the prostate and one of two forms of radiation, external beam radiation and radioactive "seeds" implanted in the gland itself.

FORBES: Men, Cancer, & Hope