The twins wore identical dresses to the party.

胞胎穿着模的裙子去参加派对。

The concordance is around 20% for dizygotic twins.

该致性约为20％，异卵胞胎。

The twins are so alike I can’t tell which is which.

这对胞胎长得模，分不清谁是谁。

The twins are so alike that I can't tell which is which.

这对胞胎模, 分辨不出谁是谁。

Only their mother knows the twins apart.

只有他们的亲才能分清这对胞胎。

Both the twin brothers were born and bred in London.

这对胞胎兄弟是在伦敦长大的。

John Heder is a twin and he is probably best known as Napoleon Dynamite.

约翰?海德胞胎，他因为《大人物拿破仑》而出名。

Siblings and dizygotic twins share only 50% of their segregating genes.

同卵生胞胎和卵生胞胎分享仅50%的基因。

The small mote on her forehead distinguishes her from her twin sister.

她额头上的这小斑点是她与其胞胎妹妹的区别。

Mary delivered Mrs. Rose of twins.

玛丽为露丝太太接生了对胞胎。

These twins are very much alike.

这对胞胎非常相象。

Can you distinguish the twins apart?

你能分辨这对胞胎吗?

Identical twins are also called monozygote twins because they develop from the splitting of a single fertilized egg.

因为是从同受精卵分裂而来，同卵胞胎也被称作单卵胞胎。

The twins had concurrent birthday.

胞胎生日在同天。

Tim, the thin twin tinsmith.

Tim，瘦小的胞胎洋铁匠。