noun 下载 🔗分享 伞形花序 A flat-topped or rounded flower-cluster (= inflorescence) in which the individual flower stalks arise from the same point, the youngest flowers being at the centre. Examples : "The Queen Anne's Lace plant displayed delicate white umbels, each a perfectly rounded bouquet of tiny flowers. " 安妮女王蕾丝花植株上盛开着精致的白色伞形花序,每一个都像是一个由微小花朵组成的完美圆形花束。 plant biology nature 与AI对话词汇游戏阅读练习