You are always losing erasers.

你总是丢橡皮擦。

See, we have pencils, pens and erasers.

你看，我们有铅笔、钢笔、橡皮擦。

The shop sells school things, like pencils, erasers and rulers.

那家商店卖诸如铅笔、橡皮擦、尺子一类的学习用品。

There is a pen and some erasers.

那儿有一支钢笔和几块橡皮。

There are some erasers and a pen.

那有一些橡皮和一支钢笔。