他们知道这些人工培养的细菌含有许多足以吞食人体肠道内“害虫”的看不见的“小虫”。
They knew that those cultures contained invisible "worms" that ate up the "bad worms" in the intestinal tract of the human being.
保加利亚，塞尔维亚，马其顿以及罗马尼亚人都知道怎样进行人工培养细菌，怎样保护和繁殖它们。
Bulgars, Serbs, Macedonians and Rumanians knew how to make cultures and how to preserve and multiply them.
应用推荐