One child who was vitamin D deficient when first introduced to the study chose to drink straight cod liver oil which is rich in vitamin D.

有一个刚开始接受研究时缺乏维生素 D 的孩子选择直接饮用富含维生素 D 的鱼肝油。

Well, what drove an 11-month-old boy to eat salt straight out of this salt shaker and why did an infant in the 1920s choose to drink straight cod liver oil — something that kids notoriously hate?

是什么驱使一个 11 个月大的男婴直接吃盐瓶里的盐，为什么一个 20 世纪 20 年代出生的婴儿选择直接喝鱼肝油——众所周知，这是孩子们讨厌的东西。