Upm
abbr. uninterruptible power module 非断动力模块; units per mile 单位每英里
🗣️ 情景例句
Where do I register for classes?
我在哪儿登记我上的课？
Did you clean this yourself?
你自己亲自清理这个？
What work are you going to do?
我们打算干什么活？