提示：点击例句中的单词，就可以看到词义解释

Penicillin was being mass produced and advertised by 1944 .

青霉素于1944年开始大规模生产和推广。

Laboratory technician examining flasks of penicillin culture .

实验室的技术人员正在检查盘尼西林培养瓶。

Eg. penicillin cured him of pneumonia .

青霉素治好了他的肺炎。

First discovered in the lab in 1928 , penicillin was being mass produced and advertised by 1944 .

青霉素是1928年在实验室中首次发现，并在1944年大规模生产和推广。

Most bacterial infections can be treated with antibiotics such as penicillin , discovered decades ago .

大多数细菌感染可以用抗生素治疗，如早在几十年前发现的青霉素。