kingdom
单词辨析：
最普通用词，侧重指国土、疆域。
China is a large country.
中国是一个幅员辽阔的国家。
Labour export is very common in developing countries.
劳务输出在发展中国家非常普遍。
指由国王或女王统治的国家，或君主立宪的国家。
The United Kingdom consists of Great Britain and Northern Ireland.
联合王国由大不列颠和北爱尔兰组成。
The king is the most important person in a kingdom.
国王是王国中最重要的人物。
强调其民族、社会及经济结构。
Greece is an independent nation.
希腊是一个独立国家。
New Zealand is an English speaking nation.
新西兰是一个讲英语的国家。
America is one of the world's leading industrial nations.
美国是世界上的主要工业国之一。
与 kingdom 基本同义，但多用于正式文体。
the defence of the realm
王国的防卫
The king sought to expand his realm.
国王谋求扩大领土。
侧重指被视为政治组织的国家，英国英语中尤指政府。
an EU member state
欧盟成员国
Should railways be controlled by the state?
铁路应该由国家控制吗？
The state has set up a medical subsidy program for civil servants.
政府为公务员建立了医疗补助制度。
相关例句：
I prize my library above my kingdom.
我把我的藏书看得比我的王国还珍贵。
These last three, when combined with Northern Ireland, form the United Kingdom.
后三个加上北爱尔兰组成了联合王国英国。
Roger Kingdom set the world record of 12.92 seconds
罗杰·金德姆创造了12.92秒的世界纪录。
The Kingdom of Italy formally came into being on 17 March 1861.
意大利王国于1861年3月17日正式成立。
The kingdom's power declined.
王国的势力衰弱了。
This is the fight of the kingdom of the mind.
这是思想领域的斗争。