圆珠笔

1.There is an overflow of cheap ballpoint pens in the market.

市场笔泛滥。

2.I changed the ink cartridges in my ballpoint pen.

我换笔里的墨水芯。

3.Most people now use ballpoints rather than ink.

现在多数人舍墨水而使用笔。

4.We include a refill with every ballpointed pen we sell.

我们出售的每笔都带有一个备用笔芯。

5.Whereabouts did I leave my ballpoint?

我把笔丢到什么地方？