汉译英：他创造的100米短跑的世界纪录保持了多久?（record for 100-meter race）
问题描述：
汉译英：他创造的100米短跑的世界纪录保持了多久?（record for 100-meter race）
答
how long has he kept the record for 100-meter race?
答
How long did he keep his world record for 100-meter race.