Upm
abbr. uninterruptible power module 非断动力模块; units per mile 单位每英里
🗣️ 情景例句
Take care, and don't be a stranger.
保重，以后别见外。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
Yes, there are.
是的，有。