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
It's nothing.
这没什么。
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
Has he moved to his new house yet?
他已经迁进新居了吗？