中国是一个疆域辽阔、民族众多的统一的大国。
China is an unitary state with vast territory and multi-nations.
中国作为疆域辽阔、人口众多、历史悠久的国家，应该对人类有较大的贡献。
China, a country with vast territory, a big population and a long history, should make greater contribution to humanity.
中国有着辽阔的疆域，各地气候不同，生长的树木也不一样。
China's vast territory is home to many forests containing a rich variety of trees.
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