黑白花牛

Then the other partners out of the cage like a bird, the jump jump dense drilling Ma Tei, corn, the start of the "battle", his brother in age that is of course everyone's head, he then slowly finishing equipment on carts, and finally the other end a big strong black white cow tied to a tree before going to the fields.

这时其他伙伴们像出了笼的小鸟，蹦着跳着钻进茂密的麻地、玉米地，开始了"战斗"，哥哥年龄稍大一点，自然是大伙的首领，他这时正慢慢整理牛车上的用具，最后把那头黑底白花的大壮牛拴在树上才去田里。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。