Epidemiologic
a. 流行病学
✅ 同义词
🗣️ 情景例句
Now that the technical problems have been settled,
既然有关技术问题已经解决，
Every little makes a mickle.
积少成多。
Small boats loaded with wares sped to the great liner as she was entering the harbour.
当一艘大型班船进港的时候，许多小船载着各种杂货快速向客轮驶来。