Mary has a little lamb.

玛丽有只小羊羔。

Mary has a little lamb.

玛丽有只小绵羊。

Mary has a little lamb, Little lamb so white.

玛丽有一个小羊羔，小羊羔很白。

Mary has a little lamb, little lamb so white.

玛丽有一只小羊，小羊长得很白。