Botany 【植】
(of a plant) growing on waste ground or among rubbish
（植物）生长在荒地上（或垃圾堆上）的。
a plant growing on waste ground or among rubbish
生长在荒地上（或垃圾堆上）的植物, 路旁杂草。
词源
mid 19th cent.: from modern Latin ruderalis, from Latin rudera, plural of rudus 'rubble'.