He spoke on the first day of classes at a high school in Virginia.

VOA: special.2009.09.10

As I told you, on the first day, I do look at trends.

我告诉你，第一天开始我看重的是趋势。

麻省理工公开课 - 固态化学导论课程节选

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

Some polling stations stayed open late Friday on the first day of the balloting because voters were still in line at closing time.

VOA: standard.2009.11.28

Their first day in London was one of introductions, bilateral meetings, a reception at the royal palace with Queen Elizabeth and dinner at Number 10 Downing Street, the official residence of British prime ministers.

VOA: standard.2009.04.01