Menzer's serum
[医] 门策尔氏血清(抗链球菌血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
That's fine.
好得很。
I tried losing weight, but nothing worked.
我曾试着减肥，但是毫无效果。