Carrots are rich in beta-carotene, which is a pigment that gives carrots their orange color. In a human’s small intestine, this pigment is turned into vitamin A. If a lot of carrots are consumed, some of the pigment goes into the bloodstream. This can result in carotenemia, which turns the palms of the hands, the soles of the feet, or knees orange. Luckily, carotenemia is basically harmless. It’s usually found in babies who eat too much carrot or sweet potato as baby food. Even though it is sometimes mistaken for a serious illness, carotenemia doesn’t affect the health of babies.
胡萝卜富含β-胡萝卜素，这是一种使胡萝卜呈现橙色的色素。在人体的小肠中，这种色素转化为维生素 A。如果大量食用胡萝卜，一些色素会进入血流。这可能导致胡萝卜素血症，使手掌、脚底或膝盖变成橙色。幸运的是，胡萝卜素血症基本上是无害的。它通常出现在吃太多以胡萝卜或番薯作为婴儿食品的婴儿身上。尽管有时会被误认为是严重疾病，但胡萝卜素血症不会影响婴儿的健康。
生活必备字词：
be rich in... 富含……
consume vt. 吃，喝，摄取
be mistaken for... 被误认为……
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本文节录自《常春藤生活英语》杂志，完整内容请见二月号。
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