那间长期空置的公寓里弥漫着一股发霉的难闻气味。

The long-vacant apartment had a ___frowzy smell of mildew.

这间二手店里的衣服散发着一股难闻的气味，让人觉得很不舒服。

The clothes in this thrift store have a ___frowzy smell that makes people uncomfortable.