🧩 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
They are constantly quarreling.
他们时常吵架。
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
Yes, Miss Gao! How many are there?
可以，高老师，有多少呢？