Serum-therapy
[医] 血清疗法
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
How many boxes are you going to use?
你要用几盒？
He hired a workman to repair the fence.
他雇用了一个工人修理围墙。