柯林斯词典bay leaf (bay leaves) 1. N-COUNT A bay leaf is a leaf of an evergreen tree that can be dried and used as a herb in cooking. 月桂树叶 返回 bay leaf剑桥词典a leaf from a bay tree , often dried and used in cooking to add flavour （烹饪中用以调味的）干月桂叶 返回 bay leaf