Seron
[医]血清子：血清学上抗原类似的病毒组
🗣️ 情景例句
Anything special you want to talk about?
有什么特殊的事要谈吗？
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”