Mainframes
n. （大型电脑的）主机, 中央处理机（mainframe的复数形式）
🗣️ 情景例句
And I've been thinking about it a lot lately.
最近我一直就此事想了很多。
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
Goodbye. Good luck!
再见。祝你好运！