self-powered takeoff

例句：

1. 1. The aircraftwas able to take off on its own power.
   这架飞机能够自行起飞。
2. 2.The spacecraft used self-powered propulsion for its takeoff.
   太空船使用自力推进来起飞。
3. 3. The plane's engine powers the takeoff thrusters, allowing it to lift off smoothly.
   飞机的引擎驱动起飞推力器，使飞机平稳起飞。