每日口說挑戰 起司簡史 (A brie(f) history of cheese - Paul Kindstedt)

今日挑戰句子

But it also contained high quantities of lactose, a sugar which is difficult to process for many ancient and modern stomachs.

但它也含有很多的乳糖，一種不管是古代或是現代的胃都難以消化的糖。