frequently的副词和名词
frequently ['friːkw(ə)ntlɪ] adv. 频繁地，经常地；时常，屡次 frequent 在这里是名词 Please write to me frequently. 请经常给我来信。 Her advice has frequently been less than wholly helpful. 她的建议往往毫无帮助。 And I think it 's frequently completely unnecessary. 而在我看来...