noun 下载 🔗分享 萼片 One of the component parts of the calyx, particularly when the sepals in a plant's calyx are not fused into a single structure. Examples : "The small, green sepals protected the rosebud before it bloomed, unfurling to reveal the petals inside. " 在玫瑰花蕾绽放前,那些小小的、绿色的萼片保护着它,之后舒展开来,露出了里面的花瓣。 plant part nature biology vegetable agriculture 与AI对话词汇游戏阅读练习