diàn​zǐ​yóu​jiàn​xì​tǒng

email system

  1. email
    Information sent through computer networks or the system used for such communication; also commonly referred to as 电邮 diàn​yóu or 伊妹儿 yī​mèi​r
  2. system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.