adj.无序的;
例句:
Provides an unordered collection of information about the document.
提供了关于文档的无序信息集合.
An unordered list can appear by itself or within an ordered list.
一本被不命令的目录能独自或在一本被命令的目录里面出现.
Some are ordered and others unordered.
某些是有序的而某些无序.