柯林斯词典pecan /pɪˈkæn/ (pecans) 1. N-COUNT Pecans are nuts with a thin, smooth shell that grow on trees in the southern United States and central America and that you can eat. 美洲山核桃 返回 pecan剑桥词典a type of long nut with a rough surface and a smooth reddish-brown shell 美洲山核桃 chopped pecans 山核桃块 pecan pie 山核桃馅饼 返回 pecan