求翻译：1：澳大利亚是世界上最大的岛国，首都是堪培拉 2：澳大利亚很大，但人口很少，而且多数集中在东部沿海地区 3：澳大利亚很富有，以绵羊、袋鼠而闻名 4：澳大利亚有许多名胜，其中悉尼歌剧院是澳大利亚的象征是什么意思？

1: Australia is the world's largest island, is the capital of Canberra 2: Australia is large, but a small population, most concentrated in eastern coastal areas 3: Australia are rich, is famous for sheep, kangaroos 4: Australia there are many places, where the Sydney Opera House is Australia's symbo

1: Australia is the world's largest island, in the capital is Canberra 2: Australia is very big, but the population is very small and most concentrated on the eastern coastal region 3: Australia is very rich in order to sheep, Kangaroo is well-known for his 4: Australia has many attractions, includi

1: Australia is in the world the biggest island country, the capital is Canberra 2: Australia is very big, but the population are very few, moreover concentrates most in the eastern part coastal area 3: Australia is very rich, by the sheep, the kangaroo is well-known 4: Australia has many scenic spo

1: Australia is the world's largest island, is the capital of Canberra 2: Australia is large, but a small population, most concentrated in eastern coastal areas 3: Australia are rich, is famous for sheep, kangaroos 4: Australia there are many places, where the Sydney Opera House is Australia's symbo

1: Australia is the world's largest island, is the capital of Canberra 2: Australia is large, but a small population, most concentrated in eastern coastal areas 3: Australia are rich, is famous for sheep, kangaroos 4: Australia there are many places, where the Sydney Opera House is Australia's symbo