If you do not see all the pages and all the subpages light up in turn, it's failed the test.
如果你没看到每个页面和子页面依次亮起，那就是测试不合格。
TED演讲（视频版）双语精选
As you move your mouse over them, they will light up in turn and any subpages will appear as a kind of drop-down.
如果鼠标扫过这一排导航键，它们就会依次亮起，子页面会出现在下拉菜单中。
英语百科
Subpage
（重定向自Subpages）
A subpage usually refers to a lower level web page in a website or wiki with the same main name as the starting level page plus a slash and text identifying the location of the subpage. More precisely, it refers to a part of the path in the hierarchical part of the Uniform Resource Identifier (also known as URI or URL).