尤当 has 为助动词时，he is 或 he has 的常用口语形式

He's reading a book in the park.
他正在公园里看书。
He's cooking dinner for his family.
他正在为他的家人做晚餐。
He's a doctor, specializing in pediatrics.
他是一名医生，专长是儿科。
He's running a marathon this weekend.
他这个周末要参加马拉松比赛。
He's fluent in three languages: English, Spanish, and French.
他能流利地说三种语言：英语、西班牙语和法语。
He's always punctual, never being late for meetings.
他总是准时，开会从不迟到。
He's passionate about playing guitar and often performs at local cafes.
他对弹吉他充满热情，经常在当地咖啡馆表演。
He's traveled to over 20 countries, broadening his worldview.
他已经游历了二十多个国家，拓宽了他的世界观。
He's studying computer science at Stanford University.
他在斯坦福大学学习计算机科学。
He's been friends with Tom since they were kids.
他和汤姆从小就是朋友。