Seron
[医]血清子：血清学上抗原类似的病毒组
🗣️ 情景例句
And how was your day, Susan?
那你今天过得怎么样， Susan？
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
She threw the bottle into the sea.
又将瓶子扔进了大海。