总是包括复数和所有格形式的国家臭氧机构奇异。
Always include the plural and the possessive forms of nou along with the singular.
美国日本英国建造航母的历史已接近一个世纪。美国海军现拥有11艘航空母舰，也是目前世界上唯一拥有复数航母战斗群的国家。
The United States, Britain and Japan launched the first aircraft carriers nearly a century ago. The U. S. Navy, with 11, is the only fleet that currently operates more than one.
带有复数词尾的学科名称、国家等在意义是暗示单数概念，用单数动词。
The United States is country which has advanced science and technology.
带有复数词尾的学科名称、国家等在意义是暗示单数概念，用单数动词。
The United States is country which has advanced science and technology.
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