1 尺子 rule
2 计算尺slide rule
3 钢笔 pen
4 圆珠笔 ball point pen
5 自来水笔(fountain) pen
6水性笔roller ball pen
7 铅笔盒pencil case
8 字典词典 dictionary
9文件夹 paper filefolder
10 卷笔刀,转笔刀pencil sharpener
11 墨水 ink
pen的同类词
pen同类词为:pencil  eraser
例句
1、
Trust is like an eraser. It gets smaller and smaller after every mistake.
信任就像橡皮擦,在一次一次的错误中慢慢损耗变小。
2、
the butt of the tool offers another contact point that's meant to duplicate an eraser.
笔端有另一个接触点,模拟的是橡皮擦的功能。