american的缩写形式是AMR

例句

1、

Many foreign goods are too expensive for American pocketbooks.

许多外国货都太贵，与一般美国人的财力不符。

2、

I'；m American.

我是美国人。

3、

It was the first time I had set foot on American soil.

那是我第一次踏足美洲大地。