Prevalences
(prevalence 的复数) n. 普遍, 流行, 广泛\\n[医] 流行, 盛行
🗣️ 情景例句
Hi.
嗨。
Many new ideas are discovered during college years.
大部分崭新的观念都产生于大学时代。
How long was that?
多长时间了？