明星的英文单词是 star，其读音为 [stɑːr] 或 [stɑr]。这个单词可以用来描述有名的演员、歌手、艺人、运动员等。例如：
1. She is a famous film star.
2. He is a rising television star.
3. They are the stars of the team.
此外，如果需要特别强调其知名度和影响力，有时也可以使用“superstar”这个词，其读音为 [ˈsjuːpərstaːr]。例如：
1. She is a superstar in the music industry.
2. He became a superstar after his first major movie.
希望这些信息对你有所帮助。