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
My girlfriend is a cheerleader.
我女朋友是啦啦队队长。
I've got a pain in my back.
我背疼。
Perhaps more than half a year.
大约半年多吧。