zài / zhè / xiàng / tián / jìng / bǐ / sài / zhōng / sān / tiě / bāo / kuò / tiě / bǐ / biāo / qiāng / hé / qiān / qiú

在这项田径比赛中，三铁包括铁饼、标枪和铅球。

In this track and field event, the three throwing events are discus, javelin, and shot put.