基本解释n. 睡菜（等于Menyanthes trifoliata）同根派生 buckbean相关词词组短语短语Buckbean Extract 睡菜精华;睡菜提取物buckbean更多词组英英字典柯林斯英英字典 a marsh plant, Menyanthes trifoliata, with white or pink flowers: family Menyanthaceae (Also called bogbean)buckbean剑桥字典buckbean柯林斯字典专业释义生物学睡菜