1. （通常为木制的）讲台，舞台
    A platform is a flat, raised structure, usually made of wood, which people stand on when they make speeches or give a performance.

platform

    e.g. Nick finished what he was saying and jumped down from the platform.
           尼克讲完后，从讲台上跳了下来。

2. （通常作为架放或着陆用的）平台
    A platform is a flat raised structure or area, usually one which something can stand on or land on.

    e.g. Some of these flood shelters are on raised platforms, which have allowed government helicopters to land amid the continuing floods...
           其中一些防洪棚搭建在高台上，高台可供政府的直升机在持续的洪水中降落。
    e.g. They found a spot on a rocky platform where they could pitch their tents.
           他们在一块岩石平台上找到了一个可以搭帐篷的地方。

3. （海上）钻井平台
    A platform is a structure built for people to work and live on when drilling for oil or gas at sea, or when extracting it.

4. （火车站的）站台，月台
    A platform in a railway station is the area beside the rails where you wait for or get off a train.

    e.g. The train was about to leave and I was not even on the platform.
           火车就快开了，可我还没到站台。

5. （政党的）纲领，政纲，宣言
    The platform of a political party is what they say they will do if they are elected.

    e.g. ...a platform of political and economic reforms...
           政治和经济改革纲领
    e.g. The Socialist Party won a landslide victory on a nationalist platform.
           社会党凭借民族主义政纲赢得了压倒性胜利。

6. （公开发表意见或表达愿望的）机会，论坛
    If someone has a platform, they have an opportunity to tell people what they think or want.

    e.g. The demonstration provided a platform for a broad cross section of speakers.
           示威集会为具有广泛代表性的人士提供了发表意见的机会。

7. （公共汽车上供乘客上下车的）踏脚台
    In a bus, the platform is the area of floor at the front or back where you get on and off.

    e.g. I stood on the crowded back platform of the seven o'clock bus as it lurched along the wet damp street.
           我站在早晨7点那班公共汽车拥挤的后门处，随着它沿潮湿的街道蹒跚行进。