radish aphid

例句：

1. 1.The gardener found that the radish plants were suffering from aphids.
   园丁发现这些萝卜植物受到了蚜虫的侵害。
2. 2.To control the spread of aphids, the farmers sprayed the fields with insecticide.
   为了控制蚜虫的传播，农民们向田地喷洒了杀虫剂。
3. 3. The radish aphid is a small pest that can damage crops if not controlled properly.
   萝卜蚜虫是一种小型害虫，如果不妥善控制，可能会损害农作物。