Serum sickness
[医] 血清病
🧩 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 bank needs to be sure
银行需要确定
The best hearts are always the bravest.
最善良的人往往是最勇敢的人。
Be careful. It's dangerous. You're too high.
小心。危险！你上得太高了！