F-ed
(F- 的过去分词) [电] F负
🧩 词语组成解析
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
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
I must be off soon.
我很快就得走了。
I was walking home when I met Dave.
我碰到大卫时，我正往家走。