He gave her knee an affectionate pat.

　　他溫情地拍了拍她的膝蓋。

　　She gave me a very long and affectionate hug.

　　她滿懷深情地久久擁抱了我。

　　They seemed devoted to each other and were openly affectionate

　　他們看起來(lái)非常恩愛，柔情蜜意溢于言表。

　　He was by nature affectionate.

　　他生性溫柔親切。

　　His elder sister is very affectionate towards him.

　　姐姐待他很有情義。