Whistled language
01
哨语, 通过哨声交流
a form of communication that uses whistling to imitate spoken language and transmit messages over long distances in hilly or mountainous areas
例子
In the mountains, villagers use whistled language to communicate across valleys.
在山里，村民们使用哨语在山谷间交流。
The villagers rely on whistled language when they need to communicate without being heard by others.
村民们需要在不被他人听到的情况下交流时，依赖于哨语。
