🧩 词语组成解析
penicillin
[,pɛnɪ'sɪlɪn]
n. 青霉素，盘尼西林;
🗣️ 情景例句
What do you call this in English?
这个用英语怎么说？
If the beard were all,the goat might preach.
如果长胡就好，山羊也可讲道。
The factory has been there for several years.
这家工厂在那儿已有好几年了。