His room is twice as big as mine,in other words ,mine is only half as big as his.
His room is twice as big as mine,in other words ,mine is only half as big as his.
他的房间是我的两倍大，也就是说，我的房间只有他的一一半大。
His room is twice as big as mine,in other words ,mine is only half as big as his.
他的房间是我的两倍大，也就是说，我的房间只有他的一一半大。