eraser長元音還是短元音？

有短元音和雙元音: /??re?z?r/

n. 橡皮；擦除器；[計] 清除器I erased the previous wrong answer with an eraser.

我用橡皮擦擦掉了之前的錯誤答案。

He chopped the eraser in half and gave me a piece.

他把橡皮切成兩半，給了我一塊。

If you write in chalk you can rub out your mistakes with an eraser.

如果你用粉筆寫字，無論出了什么錯都可以用黑板擦擦掉。

I hide the eraser in her boot.

我把橡皮擦藏進了她的靴子里。

On the teacher's desk there's an eraser.

在老師的桌上有一塊橡皮擦。