Seron
[医]血清子：血清学上抗原类似的病毒组
🗣️ 情景例句
Do you have smokers' toothpaste?
你这儿有吸烟者用的牙膏吗？
I understand you are coming to work for us.
我听说你要来为我们工作。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。