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。

youdao

Remove the paw print mold from the oven after 15 minutes and allow it to cool.

15分钟后把爪子印模型拿出来晾一晾。

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As it was melting away I hurried off to finish welding a large ingot mold from heavy Angle iron.

由于这是融化我跑去找完成沉重的角铁焊大型钢锭模。

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After several more drying steps, the paper is carefully lifted back from the mold.

VOA: special.2009.07.06

Doctors report having to remove mold from people's noses and ears because they stayed in water-damaged homes.

NPR: A Year Later, Hurricane Victims Remain Homeless

Regardless of how well this device ultimately does, it will always be remembered as the phone that broke the mold from which all others were fabricated.

FORBES: Happy 5th Birthday iPhone: You Changed Everything

Most states have responded by passing laws allowing insurance companies to exclude mold from coverage, so plaintiff lawyers now target landlords, condominium associations and school districts instead.

FORBES: Magazine Article