You could be active. Just raise your hand and take the floor.

你们可以活跃起来。举手发言。

The TV presenter will take the floor for his own opening speech at 3:00 pm.

电视节目主持人将在下午3点致开幕词。

The floor box lid design for the services is critical to ensure it can take the floor load and allow easy access to service for the exhibitors.

地箱的顶盖设计尤为重要，不仅要确保楼板的承载能力，还要便于参展商达到控制中心。