Mainframes
n. （大型电脑的）主机, 中央处理机（mainframe的复数形式）
🗣️ 情景例句
To have a friend -- a pal.
想要一个朋友 一个伙伴。
It is harder to marry a daughter well than to bring her up well.
养女容易嫁女难。
Are there any children in the room?
屋子里有小孩吗？