non-identical twins

例句：

1. 1.They are non-identical twins and have different personalities.
   他们是非同卵双胞胎，性格不同。
2. 2. The twins were born from a single egg and are considered genetically identical.
   这对双胞胎是从一个单卵中诞生的，被认为是遗传上完全相同的。
3. 3.Non-identical twins often have unique physical features that set them apart.
   非同卵双胞胎通常有独特的身体特征，使他们与众不同。