thoughtfully
adv. 沉思地；体贴地，亲切地
例句
He studied her face thoughtfully.
他一边端详她的脸，一边沉思。
《牛津词典》
We eyed each other thoughtfully.
我们若有所思地看了看彼此。
《柯林斯英汉双解大词典》
Daniel nodded thoughtfully.
丹尼尔若有所思地点点头。
