比利画呀画呀，过了两个小时才画完了，但是他看着那幅画感觉不满意。
The boy draws and draws. It takes him more than two hours to finish drawing the picture. But he is not happy when he looks at it.
比利画呀画呀，过了两个小时才画完了，但是他看着那幅画感觉不满意。
The boy draws and draws. It takes him more than two hours to finish drawing the picture. But he is not happy when he looks at it.
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