大多数狗主人都知道狗狗不会排汗的常识。它们没有人类和其他哺乳动物的汗腺,这也是为什么它们跑起来会不停喘气。简单说,喘气是狗狗调节体温的一种方式。
One other way which dogs keep cool though, is by excreting a substance similar to sweat on their extremities – namely, their nose and paws.
狗狗另一种降低体温的方式,就是在手足部分(鼻子和爪子)分泌类似汗液的液体。
Ever wonder why they're a similar colour and texture? Boom. There's your answer. The moisture on their extremities helps to radiate heat away from your pawed pal, in a similar way to their panting.
好奇为什么这种液体跟汗液颜色和质感这么相似吗?我们来告诉你答案。它们手足分泌的液体帮助它们散热,跟喘气效果相同。
The moisture on a dog's nose helps serve a secondary purpose, too. Covering a canine nose is a thin layer of mucous, which helps to trap scents and other particles in the air.
狗狗鼻子上的湿气还有另一个用途。它们鼻子上薄薄一层粘液,能帮助捕捉空气中的气味和微粒。
In order to sample this no-doubt delectable melange, a dog will then proceed to lick its nose – a behaviour dog lovers will no doubt have noticed when their precious pup picks up a scent. This serves to present the trapped particles to the olfactory glands on the roof of a dog's mouth, enabling the dog to further analyse the scent.
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