whistling sound

• 啸声

whistling sound的用法和样例：

例句

1. Clark wrote that maximising speed is an important component of the courtship display of Anna's hummingbirds, because of the loud sound generated as they dive.
   克拉克认为，对于安娜蜂鸟来说，获取最大速度是其求爱演出里的一个重要剧目，因为当它们俯冲时，能随之生成巨大的啸声。