1. 嗅知觉：olfactory organ 嗅觉器官 | olfactory perception 嗅知觉 | olfactory receptive mechanism 嗅觉感受机制

noun

1. the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

e.g. she loved the smell of roses

Synonym: smellodorodourolfactory sensation