prehistory
n
1 [U] (study of the) period before recorded history 史前; 史前学
European, Mexican, Aboriginal prehistory 欧洲、 墨西哥、 澳洲土著居民的史前史.
2 [sing] earliest stages ofthe development of sth 某事物的最早发展阶段
the prehistory of Western art 西方艺术的肇端.
🗣️ 情景例句
You're much thinner since the last time I saw you.
你比我上次见你的时候瘦多了。
The doctor said it's just a litter heat rash, There's nothing to worry about.