triplet

例句：

1. 1.The triplets are very close in age and personality.
   这三个孩子年龄相仿，性格也很相似。
2. 2.The triplets were born at the same time, so they have a lot in common.
   这三个孩子是同时出生的，所以他们有很多共同点。
3. 3. The triplets are all doing well in their studies, which is great for their future.
   这三个孩子都在学习上表现得很好，这对他们的未来非常有利。