Since then, records have fallen so much in track, field and swimming events as performance has greatly improved.

此后，记录，已经下降如此在田径赛场上的表现和游泳项目多，大大改善。

youdao

Since then, records have fallen so much in track, field and swimming events as performance has greatly improved.

此后，记录，已经下降如此在田径赛场上的表现和游泳项目多，大大改善。

youdao