墨棒是用于书写和绘画的颜料。
The ink stick is the pigment (颜料) used in writing and painting.
一旦墨跑出来，则另一根墨棒会进去，并且没有什么需要扔弃或回收。
Once that ink runs out, another stick goes in, and there’s nothing that needs to be thrown away or recycled.
一旦墨跑出来，则另一根墨棒会进去，并且没有什么需要扔弃或回收。
Once that ink runs out, another stick goes in, and there's nothing that needs to be thrown away or recycled.
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