But what makes the story of man's best friend so surprising is that they all evolved from a creature often seen as one of our oldest rivals: Canis lupus, or the gray wolf.

但是，人类最好的朋友的故事之所以如此令人惊讶，是因为他们都是从一种动物进的，这种动物通常被视为人类最古老的竞争对手之一：狼疮或者灰狼。

Most of the teeth belonged to two species of fish known for their nutritional value and good taste – the Jordan himri (Carasobarbus canis) and the Jordan barbel (Luciobarbus longiceps).

大部分牙齿属于两种以营养价值和美味著称的鱼类——类犬魮和鲤科巨型倒钩鱼。

And that's nothing compared to VY Canis Majoris, the largest known star, which is a staggering two billion kilometers across.

这与目前已知的最大恒星大犬座比，简直是小巫见大巫。大犬座的直径高达20亿公里，十分惊人。

Follow a line down past the belt to locate Sirius, the dog star from the Canis Major constellation.

沿着腰带下方的直线可以到天狼星，它是大犬座的一颗亮星。

Whatever corner of the globe you find homo sapiens in today, you're likely to find another species nearby: Canis lupus familiaris.

今天无论你在世界的哪个角落发现了人类，都可能在到另一个物种：熟悉的狼疮犬。

And that word canis might make you think of the word canine, or maybe you're not familiar with that word.

这个词“canis” 可能会让你想到“canine” 这个词，或者你可能不熟悉这个单词。

I looked up this canis major constellation.

我查了一下大犬座这个星座。

And it's from this, did I pronounce it right, the Canis Major constellation?

且这是大犬座吗？我发音正确吗？

Our associate producer is Max, Vy, Canis, Majoris, Kamaski.

我们的副制片人是马克斯、维、天狼星、巨星、卡马斯卡。

The animal was a grey wolf (Canis lupus) akin to those alive today, though it lived a different life from modern wolves, according to the study.

这只动物是一只灰狼（Canis lupus）， 类似于今天活着的狼， 根据这项研究，尽管它的生活与现代狼不同。

Astronomers are also keeping an eye on the activity of one of the biggest stars known in our galaxy, VY Canis Majoris.

天文学家也在密切关注我们银河系中已知最大的恒星之一VY大犬座的活动。

Makes Canis Majoris look like a night light.

能让大犬星座都黯然失色。

We keep all dogs in the same species, Canis Lupus familiaris, because we know that they can breed with one another and make more puppies.

我们让所有的狗都属于同一个物种，Canis Lupus familiaris，因为我们知道它们可以互繁殖并生出更多的小狗。

Astronomers are analyzing the atmosphere of VY Canis Majoris using powerful ground-based telescopes to create a model of how the hypergiant would end its life.

天文学家正在使用强大的地面望远镜分析大犬座VY的大气层，以创建一个关于这颗超巨星如何结束其生命的模型。

According to Greek and Roman mythology, Canis Major represents one of Orion's hunting dogs, eternally chasing after Lepus, the rabbit, nearby.

根据希腊和罗马神话，Canis Major 代表猎户座的猎犬之一，永远追逐的兔子 Lepus。

Canis lupus, or the gray wolf.

狼，或者说灰狼。

Sirius is part of the constellation Canis Major, the Greater Dog, near Orion's belt.

天狼星是猎户座腰带大犬座的一部分。