But this is a study for identical twins.

这是双胞研究。

You know, twin stuff is always a real big seller.

双胞材一向很卖。

It's Ron's elder brother, the Weasleys twins.

罗恩双胞哥哥。

GUPTA : The Twins Study is really the crown jewel of this mission.

这次双胞研究真无比关键。

Cheri Warner is the mother of 15-year-old twins.

谢莉·华纳是一对15岁双胞母亲。

Here are photos of me and my twin's sister liu Ying.

这是我和我双胞妹妹刘英照片。

But about 15 percent of identical twin pairs have more than that.

但是大约有15%同卵双胞差异更大。

The situation is similar to a pregnant woman that has twin babies in her belly.

这样情况就好比一位怀有双胞孕妇一样。

I felt like I was staring at some kind of photonegative of a twin study.

我觉得我在盯着某种研究双胞底片。

Their parents, according to Professor He, volunteered for the experiment. The father is believed to carry HIV.

何教授表示，这对双胞父母志愿参加实验。双胞父亲携带艾。

That's where NASA's twin study comes in.

这促成了 NASA 对这对双胞研究。

You not going to the picnic today, that hurt Mary and the twins.

你今天不去野餐，伤了玛丽与双胞心。

In studies, Professor Harper found positive twins stayed healthier than negative twins as they aged.

在研究中，Harper教授发现，随着年龄增长，积极双胞比消极双胞更健康。

And rare conjoined gray whale twins were found dead in a Mexican lagoon.

一对罕见灰鲸连体双胞尸体出现于墨西哥湖。

Does this mean twins don't have exactly the same DNA?

这是否意味着双胞 DNA 并不完全相同？

Identical, or monozygotic, twins share 99.99 percent of their DNA.

一半是一样，全是一样。同卵双胞基因相似度高达99.99%。

This is for the scratchy twins out there. I taped oven mitts to their hands.

这是给那对痒双胞，我把手套粘在他们手上。

I came here for one case. I can track the twins' progress from New York.

我来这里就是为一件事。我回去还能在纽约追踪双胞近况。

There is a significant difference in personality between the twin sisters.

这对双胞姐妹个性有明显不同。

The difference between the twin is perceptible.

这两个双胞间区别是可以看出来。