jiào / liàn / ràng / yùn / dòng / yuán / yòng / mǎ / biǎo / jì / lù / měi / zǔ / xùn / liàn / de / shí / jiān

教练让运动员用码表记录每组训练的时间。

The coach asked the athletes to use a stopwatch to record the time for each training set.