英语日记带翻译：西瓜皮的学问
清凉可口的西瓜人人都爱吃，我也不例外，但是我一次吃西瓜的时候，却有了一个发现。
Everyone likes to eat the cool and delicious watermelon, and I am no exception, but when I eat watermelon once, I have a discovery.
今年夏天，妈妈买了一个大西瓜。这个西瓜又大又圆，活像一个大皮球。我们迫不及待地把它切开，我发现它的皮是绿油油的，里边却红彤彤的。这是为什么呢?于是我放下手中的西瓜，去查《少儿百科全书》，终于我找到了答案。
This summer, my mother bought a big watermelon. The watermelon is big and round, like a big ball. We can't wait to cut it open. I find its skin is green, but it's red inside. Why? So I put down my watermelon and went to look up the Encyclopedia of children, and finally I found the answer.
原来，西瓜的`表皮有叶绿素，为了吸收阳光。但它里面吸收了阳光，成熟后就变成红色的了。
Originally, watermelon's epidermis has chlorophyll, in order to absorb sunlight. But it absorbs sunlight and turns red when it matures.
一个普通的西瓜里都有这么多的知识!生活中往往隐藏着无穷的知识，等着善于观察，努力探究的人去发现。
There are so many knowledge in a common watermelon! Life often hides infinite knowledge, waiting for those who are good at observation and hard to explore to find out.