21-09-06 养猫的人会发现在猫睡觉的时候，和人亲密互动的时候会发出呼噜呼噜（cat purr）的声音，听起来非常治愈。这是猫咪睡着了在打鼾吗？ 很多时候猫发出呼噜呼噜声因为它觉得开心愉悦，和人待在一起很放松。 但除此之外，猫发出呼噜声还有其他的原因。 Research suggests th...

20-09-01 Weve all heard cats meow and hiss, but why do they purr? There are a number of theories out there - from the commonly held belief that they are simply happy, to British comedian Eddie Izzards light-hearted suggestion that they are impersonating a dr...