Pmu
abbr. performance monitoring unit 性能监测器; 性能监控装置; physical mockup 实体模型; productive man work unit 生产人工单元
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
I really don't know.
我真不知道。
I still have some questions concerning our contract.
就合同方面我还有些问题要问。