ADJ not of, relating to, or caused by a toxin or poison 无毒的
safe, nontoxic paint
In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.
为了消除这种杂草，生物学家建议用某种对人类和水生动物无毒的除草剂来处理受感染的部分湖泊。
It looks like milk, and it is nontoxic, but pressworking, not refreshment, is its purpose.
它像牛奶，而且无毒，不过它不是饮料而是冲压用的。
Ready-to-eat foods shall be kept in small packets or in nontoxic, clean packaging materials;
直接入口的食品应当有小包装或者使用无毒、清洁的包装材料；
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