我在十一点四十五分吃午饭。

I have lunch at a quarter to twelve.

我的姐姐安娜在六点四十五洗澡。

My sister Anna at six forty-five.

他们通常在晚上六点四十五吃晚饭。

They usually eat dinner at a quarter to seven in the evening.

中学生和高中生每天应该有四十五分钟的体育课。

Middle and high school kids should have forty-five minutes of PE every day.

班上有四十五名学生。

There are forty-five students in the class.

昨晚气温降到了四十五华氏度。

The temperature dropped to forty-five degrees Fahrenheit last night.

他在马拉松中跑了四十五英里。

He ran forty-five miles in the marathon.

这本书有四十五章。

The book has forty-five chapters.

她用一个大派对庆祝了她的四十五岁生日。

She celebrated her forty-fiveth birthday with a big party.

那堂课有四十五分钟。

It was a forty-five-minute lesson.