研究表明，狗鼻子能嗅出微弱到兆分之五百程度的味道，所以它能闻出显示癫痫即将发作的信息素。

Studies have shown that dogs 'noses can detect scents as faint as 500 parts per trillion, making it possible that dogs sense a seizure-indicating pheromone3 prior to an attack.

youdao

你能闻出有鱼的味道吗？

Could you scent the fish?

youdao

上帝，是你，我能闻出你身上的味道。

My God, it's you. I can smell it on you.

youdao