yùn / dòng / yuán / zài / chōng / cì / shí / shī / qù / píng / héng / pū / dǎo / zài / pǎo / dào / shàng

运动员在冲刺时失去平衡，扑倒在跑道上。

The athlete lost his balance during the sprint and fell forward onto the track.