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
I have just one--playing golf. It's expensive, but it's a lot of fun.
我只有一种爱好，打高尔夫球。花费很高，但非常有趣。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。