Most of the story about his private life was probably apocryphal.有关他私生活的事可能大部分都是虚构的.There is a story, probably apocryphal, about a British motorcyclist on holiday in America.故事讲述一位英国摩托车手在美国度假，但未必真实。This may well be an ap...
只要所有垂直面在一条线上，图案看起来就会很整齐。As long as the verticals align, the design will look regular.可确信光线仅在垂直面内作曲线传播.Light can be trusted to curve only in a vertical plane.即使承受力,通常反力还是在垂直面内维持固定不变.A reaction generally remains fixed in e...