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.
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
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.
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.