Because of the extreme cold, the Antarctic is a uniquely fragile environment.

由于极端寒冷，南极州的生态环境尤其脆弱。

There'll never be a shortage of people who consider themselves uniquely qualified to be president of the United States.

总是有很多自认为最有资格成为美国总统的人。

The problem isn't uniquely American.

该问题并非美国独有。