() used to describe a company that is considered to be able to pay its debts and to be safe to lend money to 一流的，信誉极好的（公司）◆The company is rated A1 by Moody's and A+ by Standard and Poor's. 这公司获穆迪投资服务公司评为 A1 级，标准普尔公司则把它评为 A +级。➡triple-A
used to describe sth such as a ship, or a person, that is in the best possible condition 一级的（船）；十分健康的（人）