电扇

例句：

1. 1. I bought a new electric fan for my room to cool down on hot summer days.
   我买了一台新的电风扇给我的房间，以便在炎热的夏天降温。
2. 2. The old man is using an electric fan to keep his room cool in the summer.
   那位老人正在用一个电风扇来保持他的房间里在夏天凉爽。
3. 3. The electric fan was so loud that it disturbed the neighbors' peace of mind.
   电风扇的声音太大了，打扰了邻居们的安宁。