🧩 词语组成解析
old
[old]
adj. 老的;古老的;以前的;（用于指称被替代的东西）原来的;
n. 古时;
🗣️ 情景例句
I intend to major in economics in college.
我想在大学里主修经济学。
Father has prescribed a course of action for my bother.
父亲指使弟弟的行动。
Goodbye.
再见。