名词素描
1. 素描：思想教育 Virtue Education | 素描 Pencil Sketch | 速冻技术 Technique of Speed Freezing
2. 铅笔素描画：pencil sharpening machine 削铅笔机 | pencil sketch 铅笔素描画 | pencil tube amplifier 笔形管放大器
3. 铅笔草图：pencil shape beam radar ==> 锐方向性射束式雷达 | pencil sketch ==> 铅笔草图 | pencil slit ==> 铅笔窄板条
1. He then showed me a pencil sketch of a grand painting table, specifying the proportions of each part.