A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.

MERV 等级可以让你知道当花粉和霉菌在空气中传播时，过滤器将如何将之过滤。

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There are always changes to note as cities carve and mold their future.

一个正在塑造自己未来的城市总会有值得一提的变化。

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This process is called "osmosis," and it can be deadly for bacteria and mold.

这一过程被称为“渗透作用”。对细菌和霉菌来说，这可能是致命的。

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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

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

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

Later, as the cleanup crew dug through the rubble, they discovered this menorah, caked in dirt and mold.

WHITEHOUSE: Hanukkah at the White House

Opportunities to launch local TV stations in Bangor and Mold are being offered by the media regulator Ofcom.

BBC: Local TV: Licences on offer for Bangor and Mold

Some of the rooms at Walter Reed's Building 18 are rat and mold-infested.

NPR: Army Probes Reports of Neglect at Walter Reed