sextuplets

例句：

1. 1. The sextuplets are the youngest of their family.
   这六个孩子是他们家庭中最年幼的。
2. 2. They have a sextuplets and a baby boy.
   他们有一个六胞胎和一个婴儿男孩。
3. 3. The sextuplets were born prematurely.
   这六个孩子早产了。