Our first lesson on Tuesdays is French.

我们星期二的第一节课是法语。

《牛津词典》

Our first lesson today is math.

我们今天的第一节课是数学。

youdao

At school our first lesson today is Chinese history.

我们今天上的第一堂课是中国历史。

youdao

Consequently, I propose that from here out we need to come together in a bipartisan fashion -- as a lesson to our dysfunctional Congress -- and stop with New Year's wishes after the first seven days of the year.

CNN: Enough with the Happy New Year already