noun 下载 🔗分享 苞片,护苞叶 A leaf or leaf-like structure from the axil out of which a stalk of a flower or an inflorescence arises. Examples : "The vibrant red bract beneath the poinsettia's small flowers is often mistaken for the actual petal. " 那鲜艳的红色苞片,位于一品红的小花之下,经常被误认为是真正的花瓣。 plant biology nature structure part 与AI对话词汇游戏阅读练习