名词
中文翻译：Unknown
同义词：
['pen', 'pencil', 'ballpoint pen', 'fountain pen']
例句：
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1. She uses a fugillin to write her notes.
她用一支小圆珠笔来写笔记。
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2. The teacher asked the students to use their pens for the presentation.
老师要求学生们使用他们的钢笔进行演示。
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3. The ballpoint pen is easy to clean and maintain.
圆珠笔易于清洁和维护。