Upm
abbr. uninterruptible power module 非断动力模块; units per mile 单位每英里
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
To read without reflection is like eating without digestion.
学而不思，犹如食而不化。
Yes, that's possible, but we can't be sure.
是的，有可能，可是我们不能确定。