Mainframe Window主窗口
Mainframe Power主机功;主机功率
mainframe computers大型计算机;型计算机;大型电脑
mainframe program[计] 主机程序;主机程序
Mainframe Specialist大机运维
personal mainframe个人的主机
Mainframe Weight主机重量
Mainframe Era主机时代
N-COUNT（可数名词） A mainframe or mainframe computer is a large, powerful computer which can be used by many people at the same time and which can do very large or complicated tasks. 主机 (指可同时供多人使用的大型计算机)
I downloaded the whole thing into the hospital mainframe before I left work today.
我今天下班前把全部内容下载到了医院的主机上。