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
Because the job was not challenging enough.
因为那份工作挑战性不够。
Use a book as a bee does flowers.
读书如蜜蜂采花，吸取其中之精华。
He will be earning only half as much as he used to,
他将来挣的钱只有他现在的一半。