We should do sports for half an hour or forty minutes every morning or every evening, such as going for a walk, playing basketball or football, swimming and so on.
我们应该每天早上或晚上做半个小时或40分钟的运动，如散步、打篮球、踢足球、游泳等等。
2
After playing football for more than half an hour, the students took a few minutes' rest.
踢了半个多小时的足球后，学生们休息了几分钟。
3
By comparison, there are about 45 minutes of ads during the National Football League's much longer Super Bowl games.