第1个回答 2010-02-13
动物是人类的朋友
animals are our friends, 或
animals are friends of human beings
动物是大自然的一部分，我们应该善待它们
Animals are part of nature, we should treat them nicely
第2个回答 2010-02-13
Animals are friends of human beings. And they are one part of the nature so we should treat them well.
第3个回答 2010-02-13
Animals are friends of humans.
最简单是这个了。
第4个回答 2010-02-13
Animals are friends of ,human beings。
第5个回答 2010-02-13
Animals are friends of human beings。