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
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
To play with the frog
逗青蛙玩
Where do you live in the USA?
你住在美国什么地方？