pencil sharpener为什么去掉pencil意思没变?

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/23 22:19:35

pencil sharpener为什么去掉pencil意思没变?
是否有很多其他的英文单词也一样?请举三个例子.
就因为这样，所以让我在记英语的时候有点小苦恼~

钢笔或者圆珠笔不需要削笔刀
sharpener的英文解释是：any implement that is used to make something (an edge or a point)
sharper 任何用于使某物（边缘或者点）更锋利/尖锐的器物.磨石,knife sharpener
所以,sharpener 并不是意思不变啊.

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