Phys ed
体育
🧩 词语组成解析
abbr. 物理系（physics）；物理学家（physicist）；生理领域（physics）；生理盐水（physiological saline）
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
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
I suggest that you tear up the letter and start over again.
我建议你撕破信再来一遍。
If you make a mistake on the form, just cross it out.
如果填表出了错，划掉即可。