名词
中文翻译：四笔记录器同义词
同义词：
['four-pen calculator', 'four-pen calculator']
例句：
-
1. This four-pen recorder is very useful for students to take notes in class.
这个四笔记录器对学生上课记笔记非常有帮助。
-
2. The teacher used a four-pen recorder to demonstrate the problem to the students.
老师用一个四笔记录器向学生们演示这个问题。
-
3. The four-pen recorder was invented by a mathematician who wanted to improve his calculation skills.
这个四笔记录器是由一位数学家发明的，他想提高他的计算能力。