Throughout the world, our bodies are different colors.從全世界范圍來看，人的身體有不同的顏色。

　　Hair, eyes and skin may vary according to our genes.頭發(fā)、眼睛和皮膚因基因不同而有差異。

　　Other aspects of our bodies, though, are roughly the same.身體的其他部位基本上是相同的。

　　Most of us can name all the external parts of the body.我們大多數(shù)人能說出身體表面各個部位的名稱。

　　We usually can name several of our internal main organs.通常，我們也能說出幾種主要內(nèi)臟器官的名稱。

　　Such as heart and lungs.如心臟、肺等。

　　To know all of the names of all the parts of our bodies, we need to study for many years.要了解我們身體各個部位的名稱，我們得花好多年的時間來學(xué)習(xí)。

　　Our bodies are really very marvelous things.我們的身體的確非常奇妙。

　　The way that they continue to work year after year is wonderful.它們年復(fù)一年不間斷工作的方式，的確十分奇妙。

　　Of course, we need to take care of our bodies with the right diet and exercise.當(dāng)然，要保養(yǎng)好自己的身體，需要正確的飲食和運動。

　　As we gain more knowledge about our bodies, so we understand better how to take care of them.對身體了解得越多，我們就越懂得如何更好地保護它。