The sketch modeling ability is essential to every practitioner and how to improve the sketch modeling ability is a painter's life mission.
素描造型能力是每一个习画者必须具备的一种能力，如何提高素描造型能力更是绘画者一生的任务。
The sketch modeling ability is essential to every practitioner and how to improve the sketch modeling ability is a painter's life mission.
素描造型能力是每一个习画者必须具备的一种能力，如何提高素描造型能力更是绘画者一生的任务。
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