Oh, yes. I want a new eraser.
噢，是的。我想要一個新橡皮。
Do they pass the eraser from one to another?
他們是把橡皮從一個人傳給另一個人嗎？
I have one ruler and he has one eraser.
我有一把尺，他有一塊橡皮。
I have a new eraser. It's a fish.
我有一塊新橡皮，它是魚。
Now where did my eraser go this time?
這回我的橡皮又到哪去了？