Map: a map is an associative array from a set of object keys to a collection of object values.

map型：map是一个从一组键值对象到一组值对象的关联数组。

youdao

Object keys is more a general feature of the XAML language, possibly useful for certain custom dictionary scenarios where creating the dictionary in XAML is desirable.

对象键是XAML语言的常规功能。对于某些要在XAML中创建词典的自定义词典方案而言，该功能很有用。

youdao

A container can either support strings as its keys, like the root object itself, or can use integers as an alternate key system instead.

容器可以支持将字符串作为其键值，就像根对象本身一样，或者可以使用整数作为备选键值系统。

youdao