同奶兄弟

例句：

1. 1. The twins are identical, sharing the same features and temperament.
   这对双胞胎非常相似，拥有相同的特征和性格。
2. 2. They have a close bond, often spending time together as siblings.
   他们关系亲密，经常作为兄妹一起度过时间。
3. 3. The twins are known for their unique personalities and distinct personalities.
   这对双胞胎以其独特的个性和鲜明的个性而闻名。