Qed
abbr. quantitative evaluative device 定量可估价的装置; quantum electrodynamics 量子电动力学; quick-reaction dome 快速反应罩
📖 牛津释义
QED
abbr 缩写 = which was to be proved (Latin quod erat demonstrandum) 证明完毕（源自拉丁文quod erat demonstrandum）.
🗣️ 情景例句
No, thanks.
不用了， 谢谢。
Where can I wash my hands?
请问洗手间在哪里？
Yes, it was. But it's much colder today.
是的，昨天冷。但是今天更冷。