Nepetalactone is made up of two connected rings of mostly carbons.

内酯由两个碳原子相连的环组成。

Catnip, AKA Nepeta Cataria, is a plant that's a member of the mint family.

猫薄荷，又称，是一种薄荷家族的植物。

It's called nepetalactone, and it has the unique ability to mimic a cat pheromone.

它被称为内酯，具有模拟猫信息素的独特能力。

When cats react to catnip, they're really reacting to an organic molecule released by the plant known as nepetalactone.

当猫对猫薄荷起反应时，实际上是在与植物内酯释放的有机分子起反应。

One of its volatile oils called Nepetalactone enters the cats' nasal tissue and acts like an artificial cat pheromone.

其中一种内酯的挥发油进入猫的鼻组织，就像人造的猫荷尔蒙。

So what's going on? Well researchers think nepetalactone is similar to a cat's natural pheromones, the molecules it uses to communicate.

发生什么了？ 嗯，研究人员认为内酯类似于猫的天然信息素， 即猫用来交流的分子。

Beth had old–fashioned fragrant flowers in her garden, sweet peas and mignonette, larkspur, pinks, pansies, and southernwood, with chickweed for the birds and catnip for the pussies.

贝思在她的园地里种的是传统的香花——香豌豆和木犀草花、飞燕草、石竹花、三色紫罗兰和青蒿，还有为鸟儿种的繁缕和为猫种的。