把这张纸盖在橡皮上，用指甲刮一刮背面嘛。人家另一只手正拍照呢不是。

Cover the paper on the eraser, rub the backside with your nail.

youdao

把这张纸盖在橡皮上，用指甲刮一刮背面嘛。人家另一只手正拍照呢不是。

Cover the paper on the eraser, rub the backside with your nail.

youdao