Serum prophylaxis
[医] 血清预防
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
n. 预防\\n[医] 预防
🗣️ 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
All asses wag their ears.
傻子总爱装聪明。
Yes, that's right.
就是啊。