noun 下载 🔗分享 颖,外稃。 A basal, membranous, outer sterile husk or bract in the flowers of grasses (Poaceae) and sedges (Cyperaceae). Examples : "The botanist carefully peeled back the glume to examine the tiny rice flower inside. " 植物学家小心翼翼地剥开颖片/外稃,观察里面细小的稻花。 plant biology seed agriculture part 与AI对话词汇游戏阅读练习