noun 下载 🔗分享 大型机，主机。 A large, powerful computer able to manage very many simultaneous tasks and communicate with very many connected terminals; used by large, complex organizations (such as banks and supermarkets) where continuously sustained operation is vital Examples : "The bank's mainframe computer handles all the transactions for the entire city. " 这家银行的大型机处理整个城市的交易。 computing electronics technology machine system organization business 与AI对话词汇游戏阅读练习
