Serum agar
[醫(yī)] 血清瓊脂
?? 詞語組成解析
serum
['s?r?m]
n. <醫(yī)>血清，血漿;漿液，樹液;乳清;
n. 瓊脂, 石花菜\\n[化] 瓊脂
??? 情景例句
What subject did you major in university?
你在大學(xué)主修的科目是什么？
He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的閱讀和寫作是強項，但他希望知道怎樣去理解和說得更好。
Fifteen minutes passed and then, at five to twelve, the clock stopped.
15分鐘過去了，而就在11點55分時，大鐘停了。