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
Ok, when you put it that way, I have to agree.
好的，你这样说的话，我也只得同意。
I don't know the exact date.
我不知道确切的日子。
We couldn't get across the river.
我们过不了河。