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
Who is it?
是谁?
It's essential to choose the right means of transportation.
选择合适的运输方式很重要。
You remember my friend who helped me out?
你还记得曾经帮助我摆脱困境的那位朋友吗？