他tā去qù美měi国guó留liú学xué了liǎo。

He went to study in the United States.

美měi国guó是shì一yí个gè大dà国guó。

America is a major country.

我wǒ梦mèng想xiǎng去qù美měi国guó旅lǚ行xíng。

I dream of travelling to America.

她tā在zài美měi国guó住zhù了liǎo五wǔ年nián。

She lived in America for five years.

美měi国guó有yǒu很hěn多duō大dà城chéng市shì。

America has many big cities.