[拓展] do/give/offer/carry out first aid 进行急救 in aid of ... 用以援助…… come to sb.’s aid 前来(去)援助某人 with the aid of sb. = with sb.’s aid 在某人的帮助下 aid sb. in (doing) sth. 在某方面帮助某人 aid sb. to do sth. 帮助某人做某事 aid sb. with sth. 帮助某人某事