习惯用语assist sb. with sth.1.帮助某人[做某事]assist sb. to do sth.1.帮助某人[做某事]assist sb. in doing sth.1.帮助某人[做某事]特殊用法jet assist1.喷气助推[加速]; 喷气助推器rocket assist1.火箭助推[加速]; 火箭助推器rocket starting assist1.火箭助推起飞take-off assist1.起飞助推; 起飞助推器