As a noun, it means the main subject studied by a college or university student.

作为一个名词，它的意思是一个学院或大学学生学习的主要科目。

In such schools, almost 40 percent of teachers do not have previous education in the main subjects they teach.

在这些学校中，约40%的教师不具备其所授主要科目的教育背景。

So what is the main subject of paragraph A?

那么A段的主题是什么？

The Iran deal will be a main subject of discussion.

伊朗协议将成为讨论的主要议题。

The course covers three main subject areas.

【area】这门课程涵盖三大学科领域。

For example, every American college or university requires students to identify the main subject, or " major, " of their studies.

例如，所有的美国大学都要求学生选择主修学科，即“专业”。

See if you can hear the keyword, the main subject of the sentence.

看看你是否能听到关键词，句子的主语。

The main subject: Syria's ongoing civil war.

主题：叙利亚正在进行的内战。

One of the main subjects of the talks is how to slow migration into the U.S. from the border with Mexico.

会谈的主要议题之一是如何减缓从墨西哥边境进入美国的移民。

In the Middle Ages rhetoric was one of the main subjects of the curriculum.

在中世纪修辞学是课程的主要科目之一。