Felton's serum
[医] 费尔顿氏血清(浓缩抗肺炎球菌马血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
She makes a good living as an author.
她靠当作家过着优裕的生活。
Every dog is valiant at his won door.
狗在家门前条条都凶悍。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，顺便问一问，我妻子想知道玛丽是否需要帮忙。