例句與造句

1. Meanwhile, those lactic-acid generators foster other microbes that thrive in a sour environment and ripen the cheese, giving it taste and aroma.
2. Despite the sour environment, Lucent was able to boost its gross profit margins during the quarter by nine percentage points, to 23 percent.
3. It's difficult to find sour environment in a sentence. 用sour environment造句挺難的