切掉胡萝卜的叶子，粘在雪人鼻子的位置上。
Snip of the green on the carrot and glue onto place as the nose.
黄色是胡萝卜素显示出来的。当在叶绿素产物高峰期的春季和夏季，这些叶子内的胡萝卜素被掩盖了。
The yellow is carotene, which is hidden during spring and summer as the leaves are at their peak of chlorophyll production.
多少次你把胡萝卜的绿叶部分切掉？又有多少次你把一颗花菜的叶子都剥掉，然后通通扔掉？
How many times have you chopped the green tops off of carrots, or peeled leaves from a head of cauliflower, only to throw them away?
部分树木的叶子在秋天里变成黄色，这是因为叶绿素的分解让黄色的类胡萝卜素暴露出来。
The yellow colour seen in some autumn trees results from the loss of chlorophyll simply unmasking the yellow carotinoids that were there all along.
部分树木的叶子在秋天里变成黄色，这是因为叶绿素的分解让黄色的类胡萝卜素暴露出来。
The yellow colour seen in some autumn trees results from the loss of chlorophyll simply unmasking the yellow carotinoids that were there all along.
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