Upm
abbr. uninterruptible power module 非断动力模块; units per mile 单位每英里
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
I'm looking forward to seeing you.
我期待着和您见面。
Have you decided which boat to take, Sir?
先生，您决定用哪只船了吗？