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在注重生态的今天,人类都希望能用一种不污染环境同时对人畜无害的方法杀灭害虫,在种种尝试中,用蔬菜制作的农药
In ecological-oriented today, mankind hopes to kill pests in a way that does not pollute the environment and is harmless to humans and animals. In various attempts, pesticides made from vegetables