Calcium serum
[医] 血清钙
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
The robber struck him on the head.
强盗打他的头。
Prosperity gains (or makes) friends, and adversity tries them.
顺境交朋友，逆境试真情。
What are you doing?
你在干什么？