常见例句Any of several erect herbs of the genus Catharanthus,especially C. roseus,having flowers with a rose-pink or white salverform corolla and a closed throat.长春花类植物，任何一种属于长春花属的直生草类，尤指长春花花朵有玫瑰粉色或白色的托盘状花冠。 返回 Catharanthus