call of nature

例句：

1. 1. The wilderness calls to usall the time.
   荒野一直在召唤我们。
2. 2. Shefelt a strong call of nature to gofor a walk in the park.
   她感到强烈的自然召唤，想去公园散步。
3. 3. Thecall of nature often leads people to seekout new experiences.
   自然的召唤常常引导人们去寻求新的经历。