aboutfourmeterslong,theroomservedas a ...中的aboutfourmeterslong是定语还是补语?

问题描述:

aboutfourmeterslong,theroomservedas a ...中的aboutfourmeterslong是定语还是补语?

当然是补语了
定语要修饰名词的
而句中用,分开了
句中about four meters long是served as 补语,补充说明作用