绘制草图 meaning in Chinese

skeletonizing

Then these building practices will have to be learned from scratch
于是乎，这些建筑练习的不得不从绘制草图入手。
Throughout the semester , the students worked on several iterations of their designs , from sketch models through to the final designs , following the path outlined in the assignments
在整个学期里，学生按照作业的要求，从最初绘制草图到作品的最终完成，中间几经修改。