separator
/ˈsepəreɪtə(r)/noun
1- a machine or device that separates something into its constituent or distinct elements离析器; 分离装置：
a magnetic separator.
磁选机。
1.1
- something that keeps two or more things apart隔离物; 隔离器：
a separator means you can cook more than one thing at once.
有了隔离器你就能同时做几样菜。