1. Skunk, a noxious liquid mixture of nontoxic ingredients including baking powder and yeast, is blasted onto protesters from a water cannon. 臭鼬，一种由发酵粉和酵母等无毒成分混合而成的有毒液体，从高压水枪喷到抗议者身上。
2. 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。
3. The composition and all its ingredients are nontoxic. 该配方及所有成分是无毒的。
4. Garlic essential oil is a safe nontoxic natural extract. 大蒜精油是一种安全的、无毒的天然提取物。
5. They're used to large nontoxic animals, like wolves and bears. 它们已习惯了大型无毒动物，如狼和熊。
