Something smells damp in here; could it be the hay under that shelf?

How to say “Something smells damp in here; could it be the hay under that shelf?” in Japanese

In Japanese

なんか湿(しめ)っぽいにおいがするね。あの棚(たな)の下(した)の牧草(ぼくそう)かな？

Nanka shimeppoi nioi ga suru ne. Ano tana no shita no bokusō ka na?

Something smells damp in here; could it be the hay under that shelf? in other languages