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
If you aren't busy today, how about lunch?
如果你今天有空的话，吃一顿午饭如何？
Not necessarily.
不见得。
'I'm trying to repair the bell,' answered Bill.
“我想把这口钟修好，”比尔回答说。