Instagram 是年轻人中最受欢迎的社交媒体平台之一。

Instagram is one of the most popular social media ___platforms among young people.

这个视频会议软件在多个平台上都能运行。

This video conferencing software works across multiple ___platforms.

车站的站台太高了，我很难把行李搬上去。

The train ___platform is too high for me to lift my luggage onto.

环境保护是他们政党竞选宣言中的核心议题。

Environmental protection is a central issue in their party's ___platform.