Umps
abbr. unit mission planning system 部隊任務計劃系統; uridine monophosphate synthase 尿苷一磷酸合酶
??? 情景例句
She quit her job.
她辭職不干了。
When the tree is fallen, every one runs to it with his axe.
大樹一倒下，人人持斧來。
It doesn't matter.
不要緊。