Zhōng / cháng / pǎo / yùn / dòng / yuán / xū / yào / cháng / qī / xùn / liàn / lái / tí / gāo / nài / lì

中长跑运动员需要长期训练来提高耐力。

Middle- and long-distance runners need long-term training to improve their endurance.