Editors are a scarce and hardy breed.

编辑是稀有坚韧物种。

A noble mother must have bred So brave a son.

一位高贵杰出母亲才能养育出你勇敢无畏儿子。”

If the dogs are too closely related, they shouldn't be bred.

如果狗品种太接近就不适合放在一起养。

As a result, they have successfully bred 68 panda cubs.

成功繁育了 68 只大熊猫幼仔。

Of course, other breeds work out.

当然，别品种狗也能做到。

It is quite remarkable how one good action always breeds another.

一件好事总会产生另一件好事，真是不可思议。

What's bred in the bone will come out in the flesh.

（谚语）本性总是要表现出来。

This is because today's silkworms have been bred to be stronger, producing thicker threads.

是因为今被培育得更健壮了，其吐出丝也就更粗。

In this facility American cockroaches are being bred for use in traditional Mandarin health tonics.

在个设施里，美国蟑螂被培育出来用于传统中药保健品。

So there are many different breeds or types of dogs.

有很多不一品种和类型狗。

This means further study will be required and should include other ancient dog breeds.

意味着有必要进行深入研究，同时应将其他古代犬种纳入研究。

The French bulldogs' ancestors were originally bred to bait bulls in the ring.

法国斗牛犬祖先，最初是被驯养，用来在斗牛场上激怒公牛。

That is far more than any other dog breed.

比任何其他犬种都要多。

Yes, I do. I was born and bred here.

是，我有。我是在儿土生土长。

And these are some new breed of sounding line?

那些新式测验器又是做什么用呢？

A Scottish landowner named Lord Tweedmouth introduced what breed of dog?

以下哪个品种狗是苏格兰地主特威德茅斯（Tweedmouth）勋爵所培育出来？

Hunger breeds a special kind of anger.

饥饿滋生一种特殊愤怒。

You know, humanity may evolve and change where we couldn't breed with ourselves.

你知道，人类可能会在我们无法自我繁殖时候发生进化和改变。

Is just a chemical reaction that compels animals to breed.

不过是让动物繁衍后代化学反应罢了。

Frantz says most purebred dog breeds trace their origins to the 1800s.

弗朗茨表示最纯种狗起源能够追溯到18世纪。