You've got to pretty much take that chalk, and make a slurry out of it, put water, and dry it back up, put in a mold, and then you can have the chalk again, but you can't just glue it back together.
你得尽可能地收集它的碎片,把它做成粉浆,加水然后风干,放进模具,然后你就能重新得到这支粉笔,但是你不能简单地把它粘起来。
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