🧩 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;
n. 先生, 老板
🗣️ 情景例句
You have some guests in the reception room.
有几位客人在接待室等 。
It is never too late to learn.
什么时候学习都不晚。
That's good to know.
幸好知道了这件事。