a nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony
the smallest continent; between the South Pacific and the Indian Ocean
例句
用作名词(n.)
My foreign teacher came from Australia.我的外籍教师来自澳大利亚。
Australia is the hometown of kangaroos.澳大利亚是袋鼠的故乡。
Sydney is the largest city in Australia.悉尼是澳大利亚最大的城市。