I don't remember my first day at school.

我已经忘了第一天上学的情景。

《牛津词典》

I can vaguely remember my first day at school.

我还依稀记得我第一天上学的情景。

《牛津词典》

Hi, my name's Li Lei. It's my first day at our school.

嗨，我的名字叫李雷。这是我在我们学校的第一天。

youdao

This is what she wrote. "My first day at Radcliffe College was of great interest.

VOA: special.2011.08.07

As WHCF and Budget Director, my first meeting of the day my first responsibility of the day was to be at the senior staff meeting 7:30 every morning at 7:30.

作为办公室主任和预算主任，我每天的第一场会议,每天的第一件任务,就是出席高级职员会议,每天早上。

普林斯顿公开课 - 国际座谈会课程节选

My first day at Little Rock, I was met by the colonel who was in charge of the National Guard there.

NPR: Book Examines Covering the Race Beat

Monday was my first day at Qualtrics.

FORBES: If Startups Are Dictatorships, What Are Growth Companies?

My first full day at the Venice Film Festival begins with a screening of Burn After Reading, the new black comedy from the Oscar-winning Coen brothers.

BBC: Reporter's log: Venice 2008