柯林斯词典kidney bean (kidney beans) 1. N-COUNT Kidney beans are small, reddish-brown beans that are eaten as a vegetable. They are the seeds of a bean plant. 菜豆[usu pl] 返回 kidney bean剑桥词典a small , dark red bean with a curved shape like a kidney that can be eaten 菜豆，芸豆 返回 kidney bean