ardency

例句：

1. 1.The new teacher was very ardent about his job.
   新老师对他的工作非常热情。
2. 2. He had a deep ardency for music.
   他对音乐有很深的热情。
3. 3.Her ardency to help others won her many friends.
   她帮助他人的热忱赢得了很多朋友。