four little man in a flying saucer flew round the word one day是什么意思

应该是这个句子：

Four little men in a flying saucer flew round the world one day.四个小矮人坐飞碟飞行环游世界一天。

这是绘本故事Five Little Men in a Flying Saucer动画片里面一首插曲里面的一个句子。

Five Little Men in a Flying Saucer是一本倡导保护环境的经典英文绘本，通过讲述五个小外星人飞临地球的故事，告诉孩子们要爱护地球环境。故事里句子不断重复，五个小人一个一个地飞走，同样的句型重复了六次，非常易于掌握。?

歌曲是：

Five little men in a flying saucer flew round the world one day. They looked left and right, but they didn’t like the sight… So one man flew away!

Four little men in a flying saucer flew round the world one day. They looked left and right, but they didn’t like the sight… So one man flew away!

Three little men in a flying saucer flew round the world one day. They looked left and right, but they didn’t like the sight… So one man flew away!

Two little men in a flying saucer flew round the world one day. They looked left and right, but they didn’t like the sight… So one man flew away!

One little men in a flying saucer flew round the world one day. They looked left and right, but they didn’t like the sight… So one man flew away!

No little men in a flying saucer flew round the word one day. Not one looked left and right,so nobody saw the sight… And no one flew away!

Five little men in a flying saucer came back to the world one day. They looked left and right,and they really liked the sight… So they decided to stay!