你知道怎么登录进入这个系统吗？ Do you know how to log in to the system?
统一体一个连续不断的范围、顺序或整体，除非用硬性分割不能将其中一部分当作邻近部分区分开来 A continuous extent, succession, or whole, no part of which can be distinguished from neighboring parts except by arbitrary division.
这种长期的系统变化说明自然选择的作用，并表明女性骨骼的特性较大的适应性。但是，情况完全是这样的吗？ A systematic long-term change of this kind suggests the action of natural selection and indicates that female skeletal characteristics confer greater fitness. But is this the whole story.
一切都乱了，整个系统有待整顿。 Everything's falling apart; the whole system needs jacking up.
