"狗鼻子"是个多义词，它可以指狗鼻子（左琴科作品）,狗鼻子（鸡尾酒名）。
给一个七十九岁的老演员打恶作剧电话，和暗示一位游泳选手长着一只狗鼻子，这两者是有区别的。
There's a difference between making obscene telephone calls to a 79-year-old actor and suggesting a swimmer has a big nose.
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.
事实上，据道林介绍，狗鼻子里的嗅觉感受器多达2.25亿个——狗大脑中控制嗅觉的区域比人类的要大40多倍。
In fact, Dowling says, a dog can have up to 225 million olfactory receptors in their nose — the part of their brain devoted to scent is 40 times greater than that of a human.
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