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Opening the door, she made a face at the musty smell.

打开门，她对霉味做了个鬼脸。

《柯林斯英汉双解大词典》

The first flavour I notice is sweetness, unpleasantly so, then a burning heat, then a back of the throat translation of the musty smell into taste.

我感觉到的第一次的味道是甜，却不让人愉快，接下来是灼人的热，然后一股发霉的味道从喉咙后面传了出来。

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They sat in his closet for 20 years after he retrieved them from a musty room filled with cobwebs in a subbasement of a city Department of Buildings archive.

WSJ: Soon on Display in Brooklyn: 'Holy Grails' of Baseball

There was a musty church hall type aroma mixed in with a sickly sweet smell of ether.

BBC: Sniffing out medicine

The facility hadn't been refurbished in a while, and its accommodations reminded a visitor more of a musty Victorian bed-and-breakfast than a country retreat.

FORBES: Magazine Article