Serorelapse
[医] 血清效价回升
🗣️ 情景例句
and one of them is Columbia.
其中一所是Columbia大学。
How did you like the game?
你觉得这场比赛怎么样？
Yes, it is. Why don't you take off your sweater?
是啊，你何不脱了羊毛衫呢？