Op-ed
a. （报纸）专栏（版）的, 署名评论（版面）的
🧩 词语组成解析
观测所\\n[计] 操作, 运算, 算符
Ed
[ed]
Estimate Departure time 预计起飞时间;Engineering Development 工程研制;Effective Dose 有效剂量;
🗣️ 情景例句
I don't want my tonsils out.
我不想切除扁桃腺。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
It was a pleasure. Bye!
不客气。再见！