这非同寻常，因为据认为人们是在偶然的情况下才发明了奶酪：用动物内脏制成的袋子来装运牛奶，而动物内脏含有可凝固牛奶的凝乳酶。 薣。

This is unusual as it is thought thatpeople first stumbled across making cheese by carrying milk in bags made ofanimal guts, which contained rennet that curdled the milk.

这非同寻常，因为据认为人们是在偶然的情况下才发明了奶酪：用动物内脏制成的袋子来装运牛奶，而动物内脏含有可凝固牛奶的凝乳酶。 薣。

This is unusual as it is thought thatpeople first stumbled across making cheese by carrying milk in bags made ofanimal guts, which contained rennet that curdled the milk.