He gave her knee an affectionate pat.
他温情地拍了拍她的膝盖。
She gave me a very long and affectionate hug.
她满怀深情地久久拥抱了我。
They seemed devoted to each other and were openly affectionate
他们看起来非常恩爱，柔情蜜意溢于言表。
He was by nature affectionate.
他生性温柔亲切。
His elder sister is very affectionate towards him.
姐姐待他很有情义。