Curly braces denote an associative array (that is, an object), with its key-value pairs separated by commas.

大括号表示联合数组(即对象)，它的键-值组合由逗号分隔。

youdao

A dictionary is like an associative array or hash: It USES key-value pairs to store and retrieve information.

字典类似于关联数组或散列；它使用键值对来存储和限制信息。

youdao

It's sometimes known as an associative array because data is associated with a key value, or as a hash table.

它有时候称为关联数组(因为数据与一个键值相关联)，或者作为散列表。

youdao