Most of these nourishing substances are in the yolk of the egg.这些营养物质中的大部分在蛋黄里。He's been nourishing the hope of a trip abroad.他一直怀着出国旅行的愿望.Fruit is very nourishing.水果富有营养....
他研究了摆线 、 圆外旋轮线和四点圆的旋轮线的几何性质.He investigates geometrical properties of cycloids , epicycloids, and hypocycloids.由于这个缘故,摆线又叫做等时曲线.For this reason the cycloid is called the tautochrone.分析摆线钢球行星传动减速器的振动特性.The vibration perfo...