柯林斯詞典mainframe /?me?n?fre?m/ (mainframes) 1. N-COUNT 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. 主機 (指可同時供多人使用的大型計算機) I downloaded the whole thing into the hospital mainframe before I left work today. 我今天下班前把全部內容下載到了毉院的主機上。 返回 main frame