Semiantigen
[医] 半抗原
🗣️ 情景例句
John cannot get to the phone right now.
John现在没办法接电话。
Poli-sci major
专攻政治社会学
Because it's winter now. The weather here is very cold in winter, isn't it?
因为现在是冬天。这儿的冬天天气非常冷，对吗？