高龄的

例句：

1. 1. He is in his 70s, which means he's in his seventies.
   他70多岁了，也就是七十多岁。
2. 2. The baby is only a few months old, so it's still a very young age.
   这个婴儿只有几个月大，所以还是非常年轻的年纪。
3. 3. As she grew older, she became more independent and started to travel around the world.
   随着她年龄的增长，她变得更加独立，开始环游世界。