mealybugWiktionary 原文构词拆分mealy词根/词干+bug词根/词干词源说明From mealy + bug, from the appearance of the powder which resembles meal (“flour”).释义（英文）名词 NounAny of various insects of the family Pseudococcidae, which secrete a powdery wax and are pests of fruit trees.词族派生词（1）mealybug destroyer