“每日一词”
downtime
UK
Your browser doesn't support HTML5 audio
/ˈdaʊn.taɪm/
US
Your browser doesn't support HTML5 audio
/ˈdaʊn.taɪm/
the time during which a machine, especially a computer, is not working or is not able to be used
关于这个
WARRANTY中文(简体)翻译：剑桥词典
