The countries of Africa, Asia, and Central and South America are sometimes referred to all together as the Third World, especially those parts that are poor, do not have much power, and are not considered to be highly developed.
双语例句
例： development in the Third World.
第三世界的发展。
例： studies of malnourished mothers in the Third World.
对第三世界营养不良母亲的研究。
例： He urged Britons to campaign on the streets to help end Third World poverty.
他呼吁英国人走上街头，为终结第三世界的贫困开展运动。