🧩 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
and cheese sandwiches for lunch.
和起士三明治当午餐。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
Well, I've recently started biology.
喏，我最近开始学生物学了。