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 was not until yesterday that I noticed it.
我一直到昨天才注意到它。
I wasn't born yesterday.
我又不是三岁小孩。
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？