Behring's serum
[医] 贝林格氏血清(白喉血清)
🧩 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
I admit!
我招了！
They were talking loudly.
大声地说着话。