架次

例句：

1. 1. The flight had a total of five flights in the day.
   那天的航班总共有五班。
2. 2. The pilot needs to check the weather before taking off for his next flight.
   飞行员在起飞前需要检查天气。
3. 3. He has flown over 500,000 miles on this route, which is quite an achievement.
   他在这条航线上飞行了超过50万英里，这真是个了不起的成就。