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

泛滥。
There is an overflow of cheap ballpoint pens in the market.
市场上

泛滥。
We include a refill with every ballpointed pen we sell.
我们出售的每支

都带有一个备用
芯。
I changed the ink cartridges in my ballpoint pen.
我换了

里的墨水芯。
Most people now use ballpoints rather than ink.
现在
数人舍墨水而使用

了。
Whereabouts did I leave my ballpoint?
我把

丢到什么地方了?
声明:以上例句、词性分类

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