onprep.在 ... 之上；由 ... 支撑着；在（某一天）；关于；基于adv.穿着；向前（移动)；表示持续性adj.表示已连接、处于工作状态或使用中；发生；值班Onggon文更,位于中国内蒙古自治区

1. The stone dapped along the surface of the pond.
   石片在池塘表面上掠跳。
2. It is more calm on his surface than reality.
   他表面上比实际更冷静。
3. On sight, almost no one can distinguish the two.
   从外表上看，谁也不能将两者区分开来。
4. He seems quiet on the surface, but he's quite different when you get to know him.
   他外表上看起来似乎很斯文，但你跟他熟识之后，他就完全两样了。
5. Judging from its appearance, it must be the pith.
   这株植物从外观上看应该是通草。
6. Call this function on the click of a button to see the difference in the panel's behavior and appearance.
   单击一个按钮调用此函数可查看面板行为和外观上的差异。