zhè / wèi / nián / qīng / xuǎn / shǒu / dì / yī / cì / dài / biǎo / guó / jiā / cān / jiā / dài / wéi / sī / bēi

这位年轻选手第一次代表国家参加戴维斯杯。

The young player represented his country in the Davis Cup for the first time.