The rabbit is a relatively recent introduction in Australia.
This ship plies between London and Australia.
The kangaroo is a native of Australia.
Please don't confuse Australia with Austria.
He went to Australia and soon made a fortune.
He emigrated from Britain to Australia in order to find a better job.
Australia is an English speaking nation.
My foreign teacher came from Australia.
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