今年是她一百岁生日。

It's her hundredth birthday this <em>year</em>.

我想起了我三岁的妹妹。

I think about my three-<em>year</em>-old sister.

我只是一个普通的11岁孩子。

I'm jut a normal eleven-<em>year</em>-old kid.

现在我是一名19岁的大学生。

Now I am a 19-<em>year</em>-old college student.

我弟弟和我刚好相差一岁。

My brother and I are exactly one <em>year</em> apart.

2019年是她的七十岁生日。

The <em>year</em> 2019 is her seventieth birthday.

今年中国将庆祝其70岁华诞。

And this <em>year</em> China will celebrate its 70th birthday.

一名22岁的中国女性持续咳嗽。

A 22-<em>year</em>-old Chinese woman suffered from a persistent cough.

他在六岁/6岁时开始踢足球。

He started to play football when he was six/6 (<em>year</em>s old).

你肯定至少有20岁。

You must be at least 20 <em>year</em>s old.