Penicillin k
[醫(yī)] 青霉素K, 正庚青霉素
?? 詞語(yǔ)組成解析
penicillin
[,p?n?'s?l?n]
n. 青霉素，盤尼西林;
??? 情景例句
Harry Bennett. Is this Susan?
Harry Bennett，是Susan嗎？
Choose an author as you choose a friend.
選書如擇友。
But this is not a business that can be undertaken in a day or swiftly improvised by a mere command of the will.
但這并非一日之功，也不是單憑意志一蹴而就的事。