tā / mǎi / le / yì / shuāng / bì / zhèn / xié / zhǔn / bèi / xià / gè / yuè / cān / jiā / mǎ / lā / sōng

他买了一双避震鞋，准备下个月参加马拉松。

He bought a pair of cushioning shoes in preparation for running a marathon next month.