serves as
US /sɜrvz æz/
UK /sɜːvz æz/
短语动词
充当, 用作
to function or act as something specific
示例:
•
This room serves as a dining area and a living room.
这个房间兼作餐厅和客厅。
•
His experience serves as a warning to others.
他的经历可作为对他人的警示。