supine surface

• 上表面

supine surface的用法和样例：

例句

1. The upper surface of glacier is riven by crevasses.
   冰川的上表面已裂成冰隙。
2. I continue carefully preserving my tires on the tarmac surface.
   我继续认真维护在停机坪上表面我的轮胎。