红鹮和火烈鸟一样,吃一些甲壳类动物,在体内生成胡萝卜素,就形成了它鲜艳的颜色。
The scarlet ibis, like the flamingo, gains its vibrant color from carotene derived from a diet of crustaceans.
想想食物的颜色,比如西红柿的红色、胡萝卜的橙色、猕猴桃的绿色以及葡萄的紫色。
Think about the colors of the food such as the red of the tomatoes, the orange of carrots, the green of kiwi fruit and the purple of grapes.
橙色和黄色的食物身上的颜色,如胡萝卜,红薯和黄色辣椒都来自于类胡萝卜素,一种能增强免疫系统功能的化合物。
Orange and yellow foods such as carrots, sweet potatoes and yellow peppers get their color from carotenoids, compounds that boost the immune system.
应用推荐