Aar
abbr. 美国铁路协会（Association of American Railroads）；空中加油（Air-to-Air Refuelling）
例句
AAR took legal action and successfully blocked the deal.
AAR采取法律行动，成功地阻止了这一交易。
An AAR is a structured meeting that does the following.
AAR是一个结构化会议，它遵循下列要点。
Setting the right tone for an AAR is extremely important.
为AAR正确定调尤其重要。
