柯林斯词典coffee bean (coffee beans) 1. N-COUNT Coffee beans are small, dark brown beans that are roasted and ground to make coffee. They are the seeds of the coffee plant. 咖啡豆[usu pl] 返回 coffee bean剑桥词典a seed of a tropical bush that is heated until it is brown and then crushed to make coffee 咖啡豆 返回 coffee bean