This is the 6002nd most frequent Chinese word.
孙杨
"孙杨" (Sun Yang) is a Chinese male swimmer and Olympic champion.
In this sentence, '孙杨' is a proper noun referring to the person's name and identity as a professional swimmer.
孙杨是中国著名的游泳运动员。
Sun Yang is a renowned swimmer from China.
Here, '孙杨' specifies the individual as the subject performing the action of participating in a competition.
我听说孙杨最近参加了一场国际比赛。
I heard that Sun Yang recently participated in an international competition.
In this case, '孙杨' is the focus of opinions and gain support as an individual reflecting excellence and achievement.