简单一点
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參考答案:你这个题太大了。太多国家没法都写下来。比如：
Today Australia has just over 20 million people. Most Australians live in cities along the coast, such as Sydney, Melbourne, Brisbane, Perth, Darwin and Adelaide. The capital city, Canberra, is inland.
The capital city of the United Kingdom is London, a large city with the River Thames inside of the city, in south-eastern England. Other cities in the UK are Birmingham, Bristol, Manchester, Liverpool, York, Newcastle upon Tyne, Leeds, Sheffield, Cardiff, Edinburgh, Glasgow, Inverness, Aberdeen, Dundee, Belfast, and Londonderry (also called Derry).
Canada is the second largest country in the world in area, after Russia, and has the longest coastline of any country in the world, being next to the Pacific, Arctic, and Atlantic Oceans. Around 32 million people live in Canada's ten provinces and three territories.
参考资料：微基百科