assign a key造句

• Property to assign a key combination to a menu command , such as ctrl c for the copy command
  属性可以将组合键分配给菜单命令，例如，将ctrl + c分配给“复制”命令。
• You can assign a key to any object that you put into a collection so that you can retrieve it and manipulate it based on that key
  您可为放入集合中的任何对象分配一个“键” ，以便能根据该键来检索和操作该对象。