AUS

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 climatechange.
   澳大利亚政府因其处理气候变化的方式而受到批评。
3. 3. I've always wanted to visit Australia and see the Great Barrier Reef.
   我一直想去澳大利亚看看大堡礁。