Umps
abbr. unit mission planning system 部队任务计划系统; uridine monophosphate synthase 尿苷一磷酸合酶
🗣️ 情景例句
This job is no picnic.
这份工作很累人。
Did I hear you right?
我有没有听错？
The third person who lit a match started the fire.
第三个工人擦亮一根火柴就引发了火灾。