短语词组短語be used to sthdoing sth 習慣於be used to donging sth 習慣做某事be used to doing sth 習慣做某事;習慣於;習慣於做某事;習慣於作某事be used to do sth 被用來做某事;被用來作某事;被用來做;被用於做某事 返回 be used to sth