这条路的地基是由钢筋混凝土组成
Sunlight played on the surface of the lake.阳光在湖面上闪烁.
How can I print labels on the surface of the DVD?可以使用打印机在光碟的标签面上打印.
The rocket landed on the surface of the moon.火箭在月球表面着陆.
The hot mist on the surface of the water is steam.水表面的高温雾状气体叫做蒸汽