1/eraser释义:
n. 橡皮;擦除器;[计] 清除器
2/eraser使用例句:
Next math class requires pencils, erasers and rulers. Please prepare them in advance.
下节数学课需要准备铅笔、橡皮擦和尺子,请提前准备好。
I erased the previous wrong answer with an eraser.
我用橡皮擦擦掉了之前的错误答案。

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