slide gate tapping

例句：

1. 1.The sound of the slide gate tapping echoed through the hall.
   滑动门的敲击声在大厅里回荡。
2. 2.The children were playing in the park, and the slide gate tapping was a familiar sound.
   孩子们在公园里玩耍，滑动门的敲击声是一首熟悉的旋律。
3. 3. As she walked past the sliding gate, she couldn't help but feel a sense of nostalgia for her childhood.
   当她走过滑动门时，她不禁怀念起自己的童年。