Penicillin o
[化] 青霉素O; 烯丙硫甲青霉素\\n[医] 青霉素O, 丙烯巯甲基青霉素钠
🧩 词语组成解析
penicillin
[,pɛnɪ'sɪlɪn]
n. 青霉素，盘尼西林;
🗣️ 情景例句
Please, after you.
你先请。
What did you ask him?
你问他什么？
They insisted on staying rather than going.
他们坚持留下来，而不愿意走