在这幅画的左边和右边，徐悲鸿用黑色的墨水巧妙的画出了移动中的马的鬃毛和尾巴。

On the left and right side of the painting, Xu Cleverly drew in black ink to show the moving hair on the horse's mane and tail.

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结果，当我们将注意力放在画的左边时。

As a result, when we focus on the left side of the picture.

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这幅画歪向左边了。

The picture is slanted to the left.

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