这个学期的英文表达方式是 "this semester"。这个词来源于拉丁文 "semestris"，意思是 "半年"。例句如下：

I'm really looking forward to this semester.

I have a lot of exams coming up this semester.

This semester, I'm taking classes in English, math, and history.

希望这些信息对你有帮助。