hands-onadj.(形容词)Involving active participation; applied, as opposed to theoretical:亲自实践的:参与实践活动的;实用的,与理论的相对:例句:.We`re involved in hands-on operations, pulling levers, pushing buttons.(Arthur R. Taylor).我们参加了实践操作,拉杠杆、按按钮.(阿瑟R.泰勒)