second-level menu的意思|示意

Lighthouse features a familiar tabbed navigation menu; however, it also has a second level of menus right under the set of tabs.

Lighthouse有一个熟悉的选项卡式的导航菜单；然而在每个选项卡下它还有一个二级的菜单。

The second level Favorites menu will display the 5 upper Favorites contacts on the Today screen.

第二个层次收藏夹菜单上会显示5上收藏在今日屏幕上的接触。

When you refresh that activity from the menu that appears when you right-click the activity, you can see that the files are not present as second-level nodes.

当右键单击活动并在出现的菜单中选择刷新这个活动时，会看到文件不再作为第二级节点出现。