关 键 词： 小学一年级 100字
字 数： 100字作文
本文适合： 小学一年级
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本作文是关于小学一年级100字的作文，题目为：《The Ballpoint Pen》，欢迎大家踊跃投稿。
The ballpoint pen is one of the most useful inventions. It was invented by Ladislas Bior in Hungary in 1935.It is widely used in people's daily life. It doesn't need refilling after the thing in it runs out. It hardly leaks,and can help us write faster. So it's much more popular than the pen. Its price is usually low, and it has become smaller and lighter than before.