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菲律宾科学家最近发现,在热带和亚热带分布颇广的竹子,其汁是一种很好的杀虫剂。只要挤出竹子的汁液,用水稀释就是现
Philippine scientists recently found that bamboo juice, which is widely distributed in the tropics and subtropics, is a good pesticide. As long as the juice out of bamboo, diluted with water is now