lateral margin of nail

例句：

1. 1. Thecar's lateral margin is smoothand shiny.
   这辆车的侧面边缘光滑且有光泽。
2. 2. The artist carefully painted thelateral margin of the painting.
   艺术家仔细地给这幅画的侧面边缘上色。
3. 3. The book's lateral margincontains a map of the world.
   这本书的侧面边缘附有一张世界地图。