moderator capture

例句：

1. 3.
   在学术或会议中
2. 1. The moderator was responsible for ensuring that the meeting ran smoothly.
   主持人负责确保会议顺利进行。
3. 2. The moderator introduced each speaker before their presentation.
   主持人在每位演讲者发言前介绍他们。
4. 3.The moderator made sure everyone had a chance to speak.
   主持人确保每个人都有机会发言。