第一天英语怎么写

例句：

I can vaguely remember my first day at school.

我还依稀记得我第一天上学的'情景。

The stadium emptied at the end of the first day of games.

体育馆在第一天比赛结束的时候清场了。

They feared the stock could dive after its first day of trading.

他们担心这支股票在其第一个交易日后会暴跌。