老师用一根粉笔在黑板上写了一个短语。

The teacher wrote a phrase on the blackboard with a piece of chalk.

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一根粉笔可以被破坏。

A piece of chalk can be broken.

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那是一根鲜黄色的又细又长的粉笔。

It was a long, slender stick of vivid yellow.

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那是一根鲜黄色的又细又长的粉笔。

It was a long slender stick of vivid yellow.

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那是一根鲜黄色的又细又长的粉笔。

It was a long slender stick of vivid yellow.

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