passenger fatigue time

例句：

1. 1.The flight took off at 8:00 AM and landed at 5:00 PM, so the passenger fatigue time was about 12 hours.
   飞机早上8点起飞，下午5点降落，所以乘客的疲劳时间大约是12小时。
2. 2. Due to the long flight duration, passengers should take breaks regularly to avoid fatigue.
   由于飞行时间长，乘客应该定期休息以避免疲劳。
3. 3. The airline has introduced a new service that allows passengers to rest during the flight, reducing their fatigue time.
   航空公司推出了一项新服务，允许乘客在飞行期间休息，以减少他们的疲劳时间。