microthrust

例句：

1. 1.The microthrust is responsible for the movement of the planets.
   微推力负责行星的运动。
2. 2. The microthrust is a crucial component in the design of spacecraft.
   微推力是太空船设计中至关重要的组成部分。
3. 3. The microthrust is used to control the trajectory of a spacecraft during reentry.
   微推力用于控制航天器在再入时的姿态。