I was the youngest and the smallest.

我是最小的一个。

He's the youngest of the four of us.

他是我们四个中最年轻的。

Line up from the youngest to the oldest.

从最小到最大排队。

The United States is one of the youngest countries in the world.

美国是世界上最年轻的国家之一。

In Korea, the youngest person is expected to start eating first.

在韩国，最年轻的人应该先开始吃。

Laura is the youngest person in the world to sail around the world on her own.

劳拉是世界上最年轻的独自环游世界的人。

Laura Dekker was born on a boat and is the youngest girl to sail round the world by herself.

劳拉·德克出生在一艘船上，是最年轻的独自航行世界的女孩。

The youngest son likes to draw.

小儿子喜欢画画。

She is the youngest member of the team.

她是团队中最年轻的成员。

The youngest son always makes us laugh.

小儿子总是让我们笑。