retropropulsion

词形变化

retropropulsions 复数 retropropulsions

释义与例句

n.
  1. 1.

    Backward propulsion, especially the use of rockets to brake or change direction.

    可数 不可数 航空 商务 工程
  2. 2.

    Alternative form of retropulsion (“abnormal tendency to step backwards”).

    可数 不可数
  3. 3.

    Alternative form of retropulsion (“forcing something to move backwards or inwards”).

    可数 不可数

词源

From retro- + propulsion.

来源：wiktionary