Your ventilation system may be taking in "fresh" air from under the hood, and something under the hood is fouling the air. It may be a PCV hose that is not connected, thereby letting blowby gas to be spewed into the under-hood air. It could also be oil or power steering fluid dripping on something hot, such as an exhaust manifold or exhaust pipe.
it smells good
because it is a smelling candle!
The term "smelling like a rose" refers to someone/something that smells nice.
No, but you can get an allergic reaction from breathing in/smelling something you are allergic to.
Fresh fish should not smell fishy, but rather like the sea. You should be wary of any bad-smelling fish; it has started to spoil.
smell / smells /am, is, are, smelling
The forms of the verb smell are smells, smelling, smelled (or smelt).
learning and smelling the amazing smells in her garden
because it is a stinky smelling bacteria and it smells like Joan Chavez.
It smells like a public swimming pool, though I wouldn't recommend smelling it.
Bad smelling urine can be a sign of a bladder infection
It might have blood in it (copper is the metal you are smelling). You should get it checked out.