名词
中文翻译：自来水笔同义词
同义词：
['ink pen', 'fountain pen', 'ballpoint pen']
例句：
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1. I need to buy a new pen for my son's report.
我需要为儿子的报告买一支新的钢笔。
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2. She wrote her name on the notebook with a fountain pen.
她用钢笔在笔记本上写了自己的名字。
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3. He prefers using a ballpoint pen for his writing tasks.
他更喜欢使用圆珠笔进行写作任务。