嗅觉是一种与直觉密切相关的感觉。许多动物隔着一千米远就能嗅到同类所释放出的芳香物质。与动物一样,人与人之间的关系也没少被打上嗅觉的烙印。例如母亲可通过气味识别婴儿的连衫裤。不注重身体卫生的人大家都敬而远之,连俗语都说:“口臭令人孤独。”尽管嗅觉对人如此重要,但长期以来,它一 Smell is a feeling closely related to intuition. Many animals can smell the aromatic substances released by the same species across a distance of one kilometer. Like animals, the relationship between people is also less marked by the smell. For example, mothers can identify baby’s jumpsuits by smell. People who don’t pay attention to physical hygiene are far away from everyone, and even the saying goes: “Bad smell is lonely.” Although smell is so important to people, it has long been