Upm
abbr. uninterruptible power module 非断动力模块; units per mile 单位每英里
🗣️ 情景例句
I sure I am glad to see you, Dr. Stewart.
真高兴见到你来 ，Stewart大夫。
He puts me to shame.
他使我蒙羞。
No wonder people say that computers are taking over the world.
难怪有人说电子计算机正渐渐接管世界。