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 is as useful as screen door on a submarine.
这毫无用处。
Do you often do work during the holidays?
你常常在假日期间做工作吗？
She had lived in the flat for thirty years and was a veritable magpie at hoarding;
老妇人在这套公寓里住了30年，她又是个名副其实的收藏家。