rough not book 草稿本 (美作:scribbling pad)blotting paper 吸墨纸tracing paper 描图纸squared paper, graph paper 坐标纸folder 文件夹(fountain) pen 自来水笔biro, ballpoint (pen) 圆珠笔pencil 铅笔propelling pencil 自动铅笔pencil sharpener 铅笔刀,转笔刀ink 墨水inkwell 墨水池rubber, eraser 橡皮ruler, rule 尺slide rule 计算尺set square 三角板protractor 量角器compass, pair of compasses 圆规duplicating macline 复印机photocopier 影印机