求翻译：一天，小明家的萝卜长大了，小明拔呀拔，就是拔不上来。他叫来了小黄狗，一起拔呀拔，还是拔不下来。小明又叫来小白兔，他们拔呀拔，终于拔下来了。是什么意思？

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One day the radish, Hsiao-ming and grown-up, ah, we had to pull up. He called the trickling, dog pulled it together, or pull down. Xiaoming also called Bunny, they pulled it out, finally pulled out.

One day, the small dummy radish has grown up, young Ming pulls out pulls out, is cannot pull out.He was called the small yellow dog, pulled out together pulls out, did not extract downwards.Young Ming is called the small white rabbit, they pull out pull out, finally extracted downwards.

One day, Bob radishes grew up, Bob draw Ah-drawn, that is, can't pull up. He called the little yellow dog, drawn together drawn, is no less than to remove. Bob called for a small rabbit, they draw Ah pulling, finally pulling down.