excel at

例句：

1. 1. She excels at math and science.
   她擅长数学和科学。
2. 2. The athlete excels at running and swimming.
   这位运动员擅长跑步和游泳。
3. 3. He excels at his job because he is highly skilled.
   他在工作中表现出色，因为他技能高超。