开学的第一天，一位新同学拍了拍我的肩膀说：“你好，帅哥！我叫罗丝。”

The first day of school a new classmate touched my shoulder, "Hi, handsome! I'm Rose."

youdao

在开学的第一天，苏格拉底告诉他的学生：“今天，我们只学一件事情。那就是前后摆动你的手臂。”

On the first day of school, Socrates told his students, "Today, we'll only learn one thing. That is to swing your arm forward and backward."

youdao

开学的第一天是我最感到害怕的。

The first day of school was almost everything I feared.

youdao

This semester has started,officially today.

今天是本学期正式开学的第一天。

哈佛公开课 - 幸福课课程节选