1. 减速力：retarding field 减速场 | retarding force 减速力 | retarding ignition 延迟点火
2. 制动力：retardation method 阻尼法 | retarding force 制动力 | retarding torque 制动转矩
3. 阻滞力：retarding basin 滞洪池 | retarding force 阻滞力 | retention curve 保水曲线
noun
1. the phenomenon of resistance to motion through a fluid
Synonym: drag