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