windows Iayer的用法和样例：
例句
- Layers are assigned to display windows, and each Window can have a different list and can show layers in different orders.
层被指定到显示窗口，每个窗口可以有不同的列表，并可以按照不同的顺序来显示层。 - Six, commanded by Feuilly, had installed themselves, with their guns levelled at their shoulders, at the windows of the two stories of Corinthe.
弗以伊领着六个人，守在科林斯的上下两层楼的窗口，端着枪，瞄准待放。
