air whistle

例句：

1. 1. She whistled a tune to attract the attention of her friends.
   她吹口哨以吸引朋友们的注意。
2. 2. The children were whistling as they played in the park.
   孩子们在公园里玩耍时吹着口哨。
3. 3. The air whistles through the open window, creating an eerie atmosphere.
   从开着的窗户吹进的空气，营造出一种令人不安的氛围。