Roux's serum
[医] 鲁氏血清, 抗白喉血清
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
I feel that too many people worry about how they look.
我感觉太多的人关注他们的外表。
Whom will you write to?
你将写信给谁？
I imagine you're not very interested in politics.
我想你一定对政治不感兴趣。