if the air surrounding a heat-sterilized nutrient broth is bacteria-free ,then the broth remains bacteria-free .

熱心網友

如果高溫殺菌的營養湯周圍的空氣是無菌的，那么肉湯也是無菌的。BTW,我怎么覺得這句話有點Chinese-English的味道呀~~怪怪的~嘿嘿...

熱心網友

broth-發酵液

熱心網友

虛擬語態啊：if the air surrounding a heat-sterilized nutrient broth is （were)bacteria-free ,then the broth (would) remains bacteria-free .