takeoff airspeed

例句：

1. 1.The plane took off at 8:00 AM.
   飞机在早上8点起飞。
2. 2.The pilot had to take off early due to bad weather.
   由于恶劣天气，飞行员不得不提前起飞。
3. 3. The astronauts took off from the International Space Station.
   宇航员从国际空间站起飞。