Any of several small arboreal, mostly nocturnal primates chiefly of the family Lemuridae of Madagascar and adjacent islands, having large eyes, a long slim muzzle, and a long tail.是什么意思 Any of several small arboreal, mostly nocturnal primates chiefly of the family Lemuridae of Madagascar and adjacent islands, having large eyes, a long slim muzzle, and a long tail.怎么读