When I was born，I was black.

当我出生时，我是黑色的。

Ben: When I was born!

本：我出生的时候！

We bought it when i was born

就是表示我出生的时候我们买了它，同一时点

When I was born I weighted two pounds.

当我出生的时候我才有两英镑重。

A: When I was born I weighted two pounds.

当我出生的时候我才有两英镑重。

When I was born I cut my own umbilical cord.

我出生的时候自己剪断了脐带。

I had a mole on my arm when I was born.

我出生的时候手臂上有颗痣。

When I was born, the world was a far simpler place.

当我出生时，这个世界很简单。

When I was born, 30 years ago, it was 10,000 kilometers square.

到三十年前我出生时，它的面积是一万平方公里。

When I was born my father was a well-to-do master weaver in Scotland.

在我出生的时候，我父亲是苏格兰的一个富有经验的织布工人。