The outside part of anything that has length, breadth, and thickness; the upper face of a solid; outside.

物之外面；上面；表面。

Hence, outward appearance.

外貌；外观。

Exposed upper boundary of a liquid.

液面；水面。

Magnitude having length and breadth but not thickness.

【数】(几何)面。

Of or pertaining to the surface.

表面的。

Superficial, not profound.

敷浅的；不够深刻的。

(Mail, travel, etc.) via land and sea, not via air.

(邮寄、旅行等)经由水陆的。

To rise to the surface.

升到水面。

Give a surface to.

装上外皮；加上表层。

To bring to the surface.

使浮出水面。

To treat the surface of, esp. so as to make smooth or level.

使表面光滑、平坦等。