Active serum
[医] 活性血清(含补体的血清)
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Please do.
好呀。
I'll check into it and get back to you.
我查对一下然后送还给你。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？