Umbs
(UMB 的第三人称 -s形式) 上位内存块\\n[计] 上位内存块
🗣️ 情景例句
you have a meeting with the production staff
要与生产部门人员开会，
How long will you be away?
你将离开多久？
These were the so-called mainframe machines.
它们被称为主机。