How to write "twin sisters" in English?

English of Twin Sisters: Twin Sisters

English [twins? sist? ] beauty [tw? n? s? st? ]

Twin sister

I can tell her from her twin sister. ?

I can tell her from her twin sister.

This is a picture of me and my twin sister Liu Ying. ?

This is me and my twin sister Liu Ying.

Extended data

Synonym:

First of all, twin brothers

twins

The twin brothers look exactly alike. ?

The two brothers are the same.

Second, pigeons are right.

English [? pid? In p] beauty [? p? dn p? r]

Boys and girls twins

A pair of pigeon myxedema endemic cretinism: two cases report?

Two cases of twin myxedema endemic cretinism.