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最好的昆虫——比如蜜蜂、黄蜂, 或者蝴蝶——给植物授粉, 帮助植物结出果实和种子。( 黑脉金斑蝶甚至通过只吃马利筋属植物来帮助
The best insects, such as bees, wasps, or butterflies, pollinate plants and help plants produce fruits and seeds. (The Monarch butterfly even helps by eating only milkweed.