subquintupl

例句：

1. 1. The twins were born on the same day, and they are now in their subquintupl years.
   这对双胞胎在同一天出生，现在他们正处于他们的子五胞胎年。
2. 2.The subquintupl is a rare genetic condition that affects only one in a million people.
   子五胞胎是一种罕见的遗传疾病，影响的人数仅为百万分之一。
3. 3. The subquintupl has been studied for its potential to improve athletic performance.
   子五胞胎因其可能提高运动表现而受到研究。