If the babies could pick the right foods, they could get all the proteins, vitamins, and minerals that they needed.

如果婴儿能选择正确的食物，他们就能获得所需的所有蛋白质、维生素和矿物质。

The hardest part of growing a brain organoid, which stumped scientists for years, was finding the perfect combination of sugars, proteins, vitamins, and minerals that would induce the stem cell to develop a neural identity.

多年来一直困扰着科学家的大脑类器官的最难部分是找到糖、蛋白质、维生素和矿物质的完美组合，以诱导干细胞形成神经特征。