Both of his winning times were world bests.他的成绩均为世界最好成绩.He bests me in the mathematics.他在数学方面超过我.All three of these performances were new personal bests for these two athletes.所有这三场比赛的表现是这两名运动员的最佳个人成绩....

bests的音标：...

v.1。[口]打败，胜过( best的第三人称单数 )...