Definition [Cambridge Dictionary]: 1. to gradually increase, rise, or get bigger 【逐步增加；增长；上升】

2. to get on a horse, bicycle, etc.. in order to ride【骑上（马、自行车等）】

3. to go up or onto【登上；爬上】

4. to organize and begin an activity or event【准备；安排；组织；开展；发动】

5. to fix something to a wall, in a frame, etc., so that it can be looked at or used【安放，安装；镶嵌；裱贴】

Example:

The death toll continues to mount.

死亡人数持续增加。

She mounted her horse and rode off.

她骑上马走了。

The National Gallery mounted an exhibition of American painting.

国家美术馆举办了美国画展。

A huge rescue operation was mounted.

开展大规模救援行动。

In the coming days, we will be mounting the fight of our lives - we will take this to court and ensure abortion remains safe and legal.

在未来的日子里，我们将发动我们生命中的斗争——我们将诉诸法庭，确保堕胎仍然安全和合法。

The surveillance camera is mounted above the main door.

闭路电视的摄像机安装在大门的上方。