1. By nature;inherently.
   天然地;天生地
2. An event inexplicable by the laws of nature;a miracle.
   奇迹自然规律无法解释的事实;奇迹
3. He is cold-blooded by nature.
   他生性冷酷。
4. She is a girl by nature ill-suited to be a nurse.
   她是一个性格不适合当护士的姑娘。
5. I think I'm reasonably cheerful by nature.
   我想我生性相当开朗。

　1个副词解释