chalk是不是可数名词

chalk是不可数名词。

Lady : and i want a large box of chalk ， too .女士：我还要一大盒粉笔。

Under the coat of chalk i recognized him .透过这层白粉，我还是认出了他。

I guess i'll have to chalk it up to experience .我想我必须记住这个教训。

That's not the whole of the story， by the chalk .那还远远不是故事的全部。