双胞胎

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

同卵生和卵生分享仅50%的基因。

Only their mother knows the twins apart.

只有他们的母亲才能分清对。

Both the twin brothers were born and bred in London.

对兄弟是在伦敦大的。

The concordance is around 20% for dizygotic twins.

该致性约为20％，异卵。

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

对模样，我分不清谁是谁。

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

对模样, 我分辨不出谁是谁。

These twins are very much alike.

对非常相象。

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

她额头上的个小斑点是她与其妹妹的区别。

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

约翰?海德个，他因为《大人物拿破仑》而出名。

Can you distinguish the twins apart?

你能分辨对吗?

Mary delivered Mrs. Rose of twins.

玛丽为露丝太太接生了对。

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

因为是从同个受精卵分裂而来，同卵也被称作单卵。

The twins had concurrent birthday.

生日在同天。

Tim, the thin twin tinsmith.

Tim，瘦小的洋铁匠。