electric pencil sharpener

例句：

1. 1. I need anelectric pencil sharpener to make my pens sharp again after a long day of writing.
   我需要一个电动铅笔削笔器，让我的钢笔在写了很多字后再次锋利。
2. 2. The teacher recommended using an electric pencil sharpener instead of a traditional one for students.
   老师建议学生使用电动铅笔削笔器而不是传统的铅笔削笔器。
3. 3.This electric pencil sharpener is easy to use and saves time compared to manual sharpening methods.
   这个电动铅笔削笔器使用起来简单，与手动削笔方法相比节省了时间。