[] (often used about a company, product or service) the best or most successful of its kind （指公司、产品或服务是）同类中最佳的◆Our digital camera has been named best in class by ‘PC Magazine’. 我们的数码相机获《个人电脑杂志》选为同类产品中的最佳。◆best-in-class software/technology 同类产品中最佳软件／技术