short of

na.缺少；达不到；除了；只要不是

网络释义：缺乏

adj.full of

prep.including

adj.without,devoid of,deficient in

prep.apart from,bar,other than

网络释义

na.1.缺少;达不到;除了;只要不是

un.1.not having something, or not having enough of something2.less than3.without actually doing something

1.缺乏 seefree 放走；释放 shortof 不足；缺乏 shutdown 关闭；停业 ...

1.So as long as the angle of the cut comes shortof the angle of the cone's side it is an ellipse.所以，只要你切割的角度达不到圆锥侧边的角度，它依然是椭圆。