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
and the Stewart family.
和Stewart一家人。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
He gets into the lift, and goes up to the twelfth floor.
他进入电梯，然后升至第12层。