这样确保了这个容器确确实实的充当了容器的作用，以包容它内部浮动的列表项。

This helps ensure the container actually “contains” the list items inside which will also be floated.

youdao

索尼爱立信的Rachel用户界面仅仅是把列表变成一个个半透明的浮动部件。

Sony Ericsson's Rachel UI does little more than organize lists as floating pieces of translucent paper.

youdao

一个菜单显示为一个浮动菜单项列表(类似于一个对话框)，在用户执行一个长点击(按下并保持住)在一个视图，宣布支持一个上下文菜单。

A menu appears as a floating list of menu items (similar to a dialog) when the user performs a long-click (press and hold) on a view that declares support for a context menu.

youdao

一个菜单显示为一个浮动菜单项列表(类似于一个对话框)，在用户执行一个长点击(按下并保持住)在一个视图，宣布支持一个上下文菜单。

A menu appears as a floating list of menu items (similar to a dialog) when the user performs a long-click (press and hold) on a view that declares support for a context menu.

youdao