Chemical dating
[机] 化学定年法
🧩 词语组成解析
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
My mother and father
我父母
In books,are embalmed the greatest thoughts of all ages.
伟大思想古今有，载入书中成不朽。
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。