roof层是哪一层
roof层是最高层
例句
1、The house needs attention but the roof is sound.
房子需要修葺，不过屋顶还完好无损。
2、We could see the stars through an opening in the roof.
我们从屋顶的小洞能看见星星。
3、I don\'t want her under my roof again.
我再也不想让她到我家来了。
roof层是哪一层
roof是房顶，指的是室外的屋顶（屋顶的外表面）