青霉素发酵过程是一个具有二次微生物代谢的生化过程，机理复杂，影响因素繁多。
The penicillin fermentation process is a very complicated biochemical process accompanied with secondary microbial metabolism, which is affected by many factors.
姬莎在她的三明治上发现了霉菌，于是，全班同学在弗瑞斯老师的带领下开始了一次微生物世界之旅。
When Keesha discovers mold on her sandwich, the class takes off on a tour of the mini microbe world, and they learn first hand that these little creatures can have HUGE effects.
这一研究公布于在英格兰举行的普通微生物学协会的一次会议上。
The work was presented at a Society for General Microbiology conference in England.
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