Serum test
[医] 血清试验, 生物试验
🧩 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'm his friend.
我是他的朋友。
Only fifteen minutes.
只要15分钟。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。