Crystalline penicillin
[醫] 結晶青霉素
?? 詞語組成解析
crystalline
['krist?lain]
adj. 水晶的;似水晶的;結晶質的;清澈的;
n. 結晶性，結晶度;
penicillin
[,p?n?'s?l?n]
n. 青霉素，盤尼西林;
??? 情景例句
No advertising material.
謝絕廣告。
It's not up to his usual standard.
這次沒有達到他平時的水平。
In addition to all her other qualifications, Bessie was an expert cook.
貝西除了有各種本領以外，還是一個烹飪大師。