短語詞組短語be used to sthdoing sth 習慣于be used to donging sth 習慣做某事be used to doing sth 習慣做某事;習慣于;習慣于做某事;習慣于作某事be used to do sth 被用來做某事;被用來作某事;被用來做;被用于做某事 返回 be used to sth