He is in the left room, first floor.
His room is on the first floor on the left
His room is on the second floor on the left
He is in the room which is on the left side on the first floor
He left the room on the first floor
She left the roomon the second floor
只是换主语和名词而已，别的我不知道了。
或者He is in the room towards the left on the first floor .towards the left 作定语。能力有限
he is in the left room on the first floor
二楼只要把first改成second即可
His room is on the first floor on the left
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