-----思维拓展： come/go to sb.'s aid 帮助某人 with the aid of sb.在某人的帮助下 in aid of ... 为帮助... ... be a great aid to/for... 对.......有极大帮助 do/give/offer first aid 进行急救 teaching aids 教具 aid sb. to do sth. 帮助某人做某事 aid sb.in (doing)sth. 帮助某人做某事