1个回答
be used for:用于 1.Aluminum foil can be used for wrapping food. 铝箔用于包装食物. 2.The extent to which a program can be used for similar but not identical applications,perhaps with slight modifications. 一个程序可能经过稍许修改就能用于各种类似但不完全相同的应用方面的程度. 3.Another might be used for control purposes; changing the mode of the controller. 另一个则用于控制目的,用来改变控制器的运行模式. be used as - 是用来做什么/用处 的意思. The National flag is used as a symbol of the Country. 国旗代表着国家.