put it over

例句：

1. 1. She put the book ontop of the table to protect it fromdust.
   她把书放在桌子上以保护它免受灰尘的侵害。
2. 2. The chefplaced the platter offood above the stove to keepit warm.
   厨师把盘子放在炉子上方以保持其温暖。
3. 3. He put hishand above his head to signal that hewas ready for the meeting.
   他把手举过头顶来表示他已经准备好参加会议了。