柯林斯詞典pecan /p??k?n/ (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劍橋詞典a type of long nut with a rough surface and a smooth reddish-brown shell 美洲山核桃 chopped pecans 山核桃塊 pecan pie 山核桃餡餅 返回 pecan