self-propelling

• 描述某物能够自行移动或推进，无需外部帮助；也可指自主推进、自动运行的。

Describes something that is capable of moving or propelling itself without external assistance.

1. Having its own means of movementB2formaltechnical

   Containing within itself the mechanism or power needed to move or propel itself forward.

   自行推进的

   • The self-propelling lawn mower navigated the yard without any human pushing.
   • Modern self-propelling artillery can reposition itself on the battlefield.
   • The robot is a self-propelling device that can explore the ocean floor.

   同义词automotiveself-movingself-propelled

2. Moving by its own forceB2formaltechnical

   Moved forward by its own inherent force or momentum, without external assistance.

   自行推进的

   • The self-propelling torpedo tracked its target through the water.
   • A self-propelling spacecraft uses its own engines to adjust its trajectory.
   • The vehicle is self-propelling, relying on its internal combustion engine.

   同义词automaticautonomousself-actingself-movingself-propelled

   反义词fixedimmobileinertpassivestationary