reciprocate condition

例句：

1. 1. The teacher reciprocated the student's gratitude with a compliment.
   老师用一句恭维话回应了学生的感激。
2. 2. They reciprocated the kindness of their neighbors by helping them with their yard work.
   他们以帮助邻居整理院子的方式回报了他们的善意。
3. 3.After the concert, the audience members reciprocated the performers' enthusiasm with applause.
   音乐会结束后，观众们以掌声回应了表演者的激情。