取得发言权，发言
to have the right to speak
Silence, please, the prime minister has the floor. 请安静，首相要发言了。
Mr Walker, you have the floor, Sir.
No one was inclined to let her have the floor for long.
Finally, it was her turn to have the floor.
The cameras focus on whoever has the floor at that point.
See also: floor noun (OPEN SPACE)