Pidemiologist
[医] 流行病学家
🗣️ 情景例句
Mr. Gao in Room 409.
409房间的高先生。
Every country has its customs.
乡有乡俗。
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，