I-I guess he didn't have a lot of other kin.

我猜他没什么近亲吧。

There are quite a few familiarity markers in English - words which take on an ending to make the word sound much more familiar, or everyday, or down to earth.

英语中有很多近亲词，词词末字母通常会让单词听起来更亲近，更通俗实用。

The article says the toad is unique. It has no relatives.

文章上说种蟾蜍独无二，没有近亲。

It's a closer cousin to the mulberry, actually.

事实上，它桑葚近亲。

I need proof that you're his next of kin.

我必须确认你他近亲。

Darwin glumly suspected that certain physical and mental frailties among his children arose from a lack of diversity in his family tree.

他怀疑出现在他孩子身上某生理和精神方面问题，定由于近亲结婚所致。

A relative of jays and crows, nutcrackers hide pine seeds in theground each autumn so they have a source of food during the Colorado Rocky Mountain winter.

星鸟属于松鸟和乌鸦近亲，它在秋天时候把松子藏在地底下，样寒冷冬天就有食物吃了。

The only downside to living in this way is that you'd have to reproduce with your cousin or aunt whichever you prefer really.

样生存唯劣势需要近亲结婚。

And with inbreeding that jeopardizes their long-term survival in the wild.

近亲繁殖不利于它们在野外长期生存。

Right. And is that a close relative?

好，位近亲吗？

Okay, not quite like that, but sea sponges are a kind of organism still in existence today whose close relatives are a good candidate for early animals.

虽然并不完全像那样，但海绵种至今仍存在生物，它们近亲早期动物良好候选者。

We can also use the term close or distant.

我们也可以使用近亲或远亲来表示。

It's also important the embryos have no inbreeding – breeding of a young animal from two closely related parents, because this can cause disease.

同样重要，该胚胎不近亲交配而来，近亲交配指幼仔由亲缘关系密切父母繁殖而来，因为近亲交配可能导致疾病。

Having a tight aggregation, hunting and interbreeding with related crocodile species all pose threats.

由于聚群密集，和近亲鳄鱼共同捕猎并种间繁殖，都对它们造成了威胁。

Cephalopods may have evolved complex brains long before our vertebrate relatives.

头足类或许比我们脊椎动物近亲更早演化出复杂脑部。

The underlying assumption is that publishing is just one big, happy, incestuously closed family.

背后不言而喻想法，出版圈根本就个快乐大家庭，近亲繁殖，外人免入。

Our close relative, Homo erectus, survived 10 times longer than we have existed.

我们近亲直立猿人，比我们存在时间长了10倍。

Though mammals, they are not close relatives of people.

虽然哺乳动物，但它们并不人类近亲。

Anurognathus and its relatives have been known for 90 years.

蛙嘴龙及其近亲为人类了解已有90年。

The blood was actually from chimps' close relatives, Homo sapiens.

血液实际上来自黑猩猩近亲——智人。