It's been an age since we've seen them.
我们有很长一段时间没有见到他们了。
The car is in remarkably good condition for its age.
就车龄而论,这辆车的状况好极了。
She entered public life at the age of 25.
她25岁时开始了经常抛头露面的`工作。
The competition is open to young people under the age of 18.
这项比赛让18岁以下的青少年参加。
By the age of 21 he controlled the company.
他21岁就掌管了公司。