Serum reaction
[医] 血清反应
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
Good morning. What can I do for you?
早上好。你哪里不舒服？