您要查找的是不是：
- How many hours of daylight do we have in a day? 一天中我们有多少小时有阳光?
- They asked the pilot how many hours he had logged. 他们问那飞行员累积了多少飞行时数。
- How many hours did you put in it? 你在这项工作上花了多少个钟点？
- How many hours a day does she study English? 她一天读几小时英文?
- How many hours does it take to complete that tour? 完成一趟那样的旅行需花多少时间?
- How many hours did the plane log in the sky between April 30 and May 15? 这架飞机於四月三十日至五月十五日期间在空中飞行了多少小时?
- How many hours are there in a day? 一天有几小时？
- How many hours a day are you working here? 你们这儿一天工作多少小时？
- How many hours are you taking this semester? 这学期你选修了多少学时?
- How many hours does it take to Miami? 到迈阿密要几小时?
- How many hours' sleep do you need? 你需要几个小时的睡眠?
- Every how many hours shall I change a compress? 我应每隔几小时换一次湿布呢?
- How many hours do you spend gaming each week? 你一周有多少时间玩游戏?
- How many hours do you have to work? 你得工作多少小时？
- How many hours a day are you working? 你每天工作多少小时?
- How many hours are we behind schedule? 我们延误多长时间?
- How many hours do you accompany the kid per day? 每日用多少时间陪子女?
- How many hours do you have to work on the campus? 你在学校必须学习多少个小时?
- How many hours do you train everyday? 你每天训练多少时间? Warm-up exercises are important to promote flexibility and prevent injury.
- How many hours is a reasonable workday? 一天工作几个小时才是合理的呢?
