self-propulsion

英['selfprə'peld] 美['selfprə'peld]
  • adj.自力推进的;机动式的
Adjective:
  1. containing within itself the means of propulsion or movement;

    "a self-propelled vehicle"

  2. moved forward by its own force or momentum;

    "a self-propelled egotist"
    "the arms program is now self-propelled"

【邻近词汇】