Keasling says they can even make cannabinoids that don't exist in nature at all, by feeding the yeast certain fatty acids.

基斯林说，通过给酵母喂食某些脂肪酸，他们甚至能制造出自然界根本不存在的大麻素。

So if we eat more sugar, we're feeding the yeast.

所以如果我们吃更多的糖，我们就会喂养酵母。

The team has completed research and development, successfully fed the yeast with waste food like coffee grounds, and agricultural leftovers like wheat straw and sawdust.

该团队已经完成了研究和开发，成功地用咖啡渣等废弃食品以及麦秆和锯末等农业剩余物喂养酵母。