三学科

例句：

1. 1. The school offers a wide range of courses in three subjects.
   这所学校提供广泛的课程，涵盖三个学科。
2. 2. She has taken up three subjects in her studies, including mathematics and physics.
   她在学习中选修了三个科目，包括数学和物理。
3. 3. In order to succeed in the competitive exam, students need to focus on three subjects: English, Mathematics, and Science.
   为了在竞争激烈的考试中脱颖而出，学生需要专注于三个科目：英语、数学和科学。