He was only three years old.

他才三岁。

My son is almost three years old.

我儿子快三岁了。

Now, Manuel Chen was three years old.

曼纽尔·陈当时只有3岁。

My sister is three years older than me.

我的姐姐比我大三岁。

You'd love him. He's three years old.

你肯定会喜欢她儿子的，才刚刚三岁。

I could read a defense at three years old.

我三岁就能读辩护词了。

And we're saying he is three years old.

我们说的是他已经三岁了。

Her name is Poppy and she is three years old.

她的名字叫Poppy。她3岁了。

He's three years older than us, and very good-looking.

他比我们大3岁，长得很帅。

" The children were two or three years old, " she said.

“孩子们只有两三岁”。

I think I've about given up on schooling the three year old.

我想我已经放弃了对三岁孩子的家庭教育了。

But what about five years old or about three years old?

但是，5 年的网页呢？3 年的网页呢？

At only three years old he wanted to be a doctor.

他3岁的时候就想当医生了。

His grandfather had lived until he was one hundred three years old.

他的祖父一直活到103岁。

When Helen Russell was three years old, her new-born baby sister died suddenly.

海伦·拉舍尔三岁时，她刚出生的妹妹突然去世了。

Toby, I was three years old when I threw my first football.

托比，当我第一次扔橄榄球时我才三岁。

In my case, when I was three years old in 1945, I contracted asthma.

以我为例，1945年，我在三岁的时候得了哮喘。

'She's asleep. She's three years old. Haven't you ever seen her? '

" 她睡着了。她三岁。你从没见过她吗？"

The people who are the experts at this are parents of three year olds.

在这方面专家的是三岁孩子的父母。

He was identified as having autism spectrum disorder when he was three years old.

他在三岁时被确诊患有自闭症谱系障碍。