The bed nets are treated with a poison to kill mosquitoes.

VOA: special.2010.03.10

Yeah, if they have a race riot round here, I'm gonna kill all the white folks with my poison."

当然，假如他们有那样的种族暴动，我会用毒药除掉他们，“

耶鲁公开课 - 1945年后的美国小说课程节选

He knows that alcohol will kill him like poison.

VOA: special.2010.01.10

Another risk: The poison could kill some of the very birds Mr. Martin wants to protect.

WSJ: This British Assault on an Island Off Argentina Is for the Birds

When natural evolution causes weeds or pests to resist their poisons, which their crops are resistant to, they simply breed a new crop and create a new poison to kill the pests.

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