Even more bizarre, a woman conceived from a split embryo could give birth to her own twin.

更奇怪的是，一个从分裂胚胎中受孕的妇女可以生下自己的双胞胎。

youdao

In the middle of the room, a twin mattress lay beside a plastic milk crate supporting a reading lamp.

在房间正中间摆着一张双人床垫，旁边倒扣着一个塑料的牛奶箱，上面放着一只台灯。

youdao

There, you may see a brother, a sister, a step-sibling, a twin.

那里你可能看到兄弟，或者姐妹，或者异父母同胞，或者双胞胎兄妹。

youdao

The story is told by Sara Louise Bradshaw, a 13-year-old girl who lives with her parents and her twin sister Caroline.

VOA: special.2009.02.14

And he said, "Too bad you don't have a twin."

比尔说：“你没有双胞胎兄弟真是太没劲了“

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Some reports say the competition between the two advice columns led to a dispute between the twin sisters.

VOA: special.2011.04.24

With a few room alterations along the way exchanging teddy bears for posters, and trading a twin bed for a queen this pattern could take your little cherub from baby teeth and tantrums to unfortunate piercings and term papers.

WSJ: Silly Parent, Good Design Is for Kids | Living Well by Rita Konig

Nancy Segal, a Cal State Fullerton psychology professor, theorized that because girls mature faster than boys, having a twin sister could provide a second mother and extra encouragement.

WSJ: Indiana's Victor Oladipo Is the Latest Big Basketball Star to Have a Twin Sister

The general manager of Tribhuvan International Airport, Ratish Chandra Lal Suman, said in a statement that the plane, a twin-propeller Dornier, had struck a vulture soon after take-off.

BBC: Nepal plane crash: Seven Britons among 19 dead