Aust

例句：

1. 1. Australia is the largest country in the southern hemisphere.
   澳大利亚是南半球最大的国家。
2. 2. The Australian government has been criticized for its handling of the refugee crisis.
   澳大利亚政府因其处理难民危机的方式受到批评。
3. 3. I visited Australia last year and it was an amazing experience.
   我去年去澳大利亚旅行过，那真是一次令人惊叹的经历。