求翻译：葡萄皮表面的野生酵母菌中，有许多的和醋酸菌一样都是会造成葡萄酒的腐败，与酿酒酵母的不同处在于这些葡萄酒腐败菌有氧气存在才能生长。酿酒师在适当时间加入二氧化硫（SO2）的方法可以阻绝葡萄酒汁与氧气接触，从而避免野生细菌在葡萄酒中生长。是什么意思？

Wild yeast of grape skin surface, like many and acetic acid bacteria are will cause corruption of the wine, and different Saccharomyces cerevisiae is the wine spoilage bacteria with oxygen are present to growth. Brewer at the right time to join the sulfur dioxide (SO2) way to denial of contact with oxygen in wine sauce, so as to avoid the wild growth of bacteria in wine.