law of areas

英 美
  • 面积定律
  • areas n.区域名词area的复数形式.
  • law n.法律;法规;准则;起诉v.起诉;打官司
  • of prep.关于;...的(表所属);出身于;由于
Noun:
  1. a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times;

    "Kepler's second law means that a planet's orbital speed changes with its distance from the sun"