A world war is a war involving countries from all over the world.
If you talk about the real world , you are referring to the world and life in general, in contrast to a particular person's own life, experience, and ideas.
Some of the countries of Africa, Asia, and South America are sometimes referred to as the Third World . These countries are also sometimes referred to as the developing world .
A world-class competitor in a sporting event is one of the best in the world at what they do.
A person's world view is the way they see and understand the world, especially regarding issues such as politics, philosophy, and religion.
Someone or something that is world-famous is known about by people all over the world.
The World-Wide Web is a system which links documents and pictures into an information database that is stored in computers in many different parts of the world and which can be accessed with a single program. World-Wide Web is often abbreviated to the Web .
If one thing is a part of another thing or part of it, the first thing is one of the pieces, sections, or elements that the second thing consists of.
A location is a place, especially the place where something happens or is situated.
A nation is an individual country, especially when it is considered from the point of view of its cultural or ethnic identity.
The world is the planet that we live on.
参见 world 的详细定义
The past simple tense
Typical forms of this tense are as in: I met her. She met him. I went there. She went there. Because the past simple consists of one word only, the past simple tense of do, which is did,...
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