esquisse

例句：

1. 1.The artist drew a rough sketch of the building before starting to paint.
   艺术家在开始绘画之前，先画了这座建筑的草图。
2. 2. The designer created a preliminary design for the new product before finalizing it.
   设计师在最终确定新产品之前，先制作了一个初步设计方案。
3. 3. During the planning phase, architects often produce esquisses to visualize their ideas.
   在规划阶段，建筑师经常制作草图来可视化他们的想法。