Felton's serum
[醫] 費爾頓氏血清(濃縮抗肺炎球菌馬血清)
?? 詞語組成解析
serum
['s?r?m]
n. <醫>血清，血漿;漿液，樹液;乳清;
??? 情景例句
How do you do?
你好。
He is teasing a friend.
他在愚弄朋友。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的進展，需要有比這種裝置精細得多的儀器。