Age

年轻的,幼小的

He has a young brother who is learning to walk.

他有一个正在学走路的年轻弟弟。

年老的,古老的

She cherished the wisdom and experience that came with being old.

她珍惜随着变老而来的智慧和经验。

中年的

The middle-aged man enjoyed his evening walks in the park.

这位中年男子喜欢在公园里进行晚间散步。

成人, 成年人

Adults have the freedom to make their own decisions and choices.

成年人有自由做出自己的决定和选择。

大三学生, 高中或大学倒数第二年的学生

As juniors, they are preparing for standardized tests and college entrance exams.

作为大三学生，他们正在准备标准化考试和大学入学考试。

年龄, 岁

Age is just a number; it doesn't define your capabilities.

年龄只是一个数字；它不定义你的能力。

青少年的, 年轻的

She is enjoying her teenage years, filled with new experiences and friendships.

她正在享受她的青少年时期，充满了新的经历和友谊。

年轻的, 青春的

Despite her age, she had a youthful appearance, with smooth skin and a radiant smile.

尽管她的年龄，她有着年轻的外表，皮肤光滑，笑容灿烂。

成熟的, 成年的

Despite her young age, she possessed a mature appearance, with features that belied her years.

尽管她年纪轻轻，却拥有成熟的外表，特征与她的年龄不符。

年长的, 上了年纪的

The elderly couple enjoyed taking leisurely walks together in the park.

这对年迈的夫妇喜欢一起在公园里悠闲地散步。

大四学生, 高年级学生

In college, seniors have the opportunity to complete a senior thesis.

在大学里，大四学生有机会完成一篇毕业论文。