4pesticide n.杀虫剂,农药 参考例句: The pesticide was spread over the vegetable plot.菜田里撒上了农药。 This pesticide is diluted with water and applied directly to the fields.这种杀虫剂用水稀释后直接施用在田里。 5pollination n.授粉 参考例句: The flowers get pollination by insects.这些花通过昆...