柯林斯词典aphid /ˈeɪfɪd, ˈæf-/ (aphids) 1. N-COUNT Aphids are very small insects that live on plants and suck their juices. 蚜蟲[usu pl] 返回 aphid剑桥词典any of various small insects , such as the greenfly , that suck the juices of plants for food 蚜蟲 返回 aphid