Mainframes
n. （大型电脑的）主机, 中央处理机（mainframe的复数形式）
🗣️ 情景例句
you have so much energy and so many years of experience.
你精力这么好 ，又有这么多年的经验。
I'm glad to meet you.
幸会。高兴见到你。
It's time to get down to business now.
是进入正题的时候啦。