It is also useful because the mold can be used over and over again to make exact copies of the ceramic form.

VOA: special.2009.09.09

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。

麻省理工公开课 - 热力学与动力学课程节选

until there were flies crawling on it and bugs and mold.

直到那上面爬满了苍蝇和虫子，长满了霉菌。

布鲁克林的房价 - SpeakingMax英语口语达人

The mold cases center on the scientifically preposterous claim that mold is the cause of many human ailments.

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We broke the mold in the era of personal computing and we continue to break the mold in manufacturing systems.

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"People are exposed to mycotoxins every day, " says Daniel Sudakin, a toxicologist and mold expert at Oregon State University who has testified for the defense in one mold case.

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