It's also easy to switch screens and turn viewers into presenters.
而且用户能轻松切换屏幕，并将观众转变成演示者。
Many presenters watch their presentation rather than their audience.
许多演讲者看他们的演示文稿而不是听众。
So far, no award presenters have been announced.
目前为止，颁奖嘉宾是谁还没有宣布。
Should news presenters be serious all the time when they are on TV?
一个好的电视主持人应该具备的品质有哪些？
All the presenters are arranged in a large circle along the edge of the room.
所有的演讲者沿着屋内的边缘围成一个大圈。
All the presenters are arranged in a large circle along the edge of the room.
所有的演讲者沿着屋内的边缘围成一个大圈。
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