crooked stick

She therefore went out in the garden, stretched out her crooked stick towards the rose-bushes, which, beautifully as they were blowing, all sank into the earth and no one could tell where they had stood.

因此她现在走到花园里去，用她的拐杖指着所有的玫瑰花。虽然这些花开得很美丽，但是不一会儿就都沉到黑地底下去了：谁也说不出，它们原来究竟是在什么地方。

The deformation is just like a crooked stick to produce a deformation under the external forces in mechanics, or like a smooth error curve fitted by given conditions adding up to original curve in mathematics.

基于物理模型的B样条曲线变形在力学上类似于一根曲杆在外力作用下产生整体变形，其数学模型上就好像在原有曲线的基础上，加上了一条光滑的误差拟合曲线。

Gerda called still louder, and an old woman then came out of the cottage, leaning upon a crooked stick. She had a large broad-brimmed hat on, painted with the most splendid flowers.

格尔达更大声地喊起来。这时有一个很老很老的女人拄着拐杖走出来了：她戴着一顶大草帽，上面绘着许多美丽的花朵。

A crooked stick will have a crooked shadow.

身不正,影必斜.