求翻译：公元前480年,波斯国王薛西斯一世纠集50万大军进攻希腊，沿途城邦无不投降，唯有斯巴达和少数城邦宁死不降，斯巴达国王尼奥尼达率300名勇士在温泉关顽抗3天，最终因叛徒出卖，全部壮烈牺牲是什么意思？

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480 B.C., Persian King Xue Xisi th assembles 500,000 armies to attack Greece, the city-state all surrenders along the way, only has Sparta and the minority city-state rather die than does not fall, Sparta King Nepali Owne reach rate 300 brave warriors to resist stubbornly 3 day in the hot spring pas

480 BC, the Persian King xuexisiyishi gathered 500,000 troops attacked Greece, along the City-State have surrendered, only Sparta and a handful of City-States would rather die than surrender, Spartan king niaonida customs rate 300 warriors in the hot spring recalcitrate 3 days, ultimate traitor, and

480 BC, the Persian King xuexisiyishi gathered 500,000 troops attacked Greece, along the City-State have surrendered, only Sparta and a handful of City-States would rather die than surrender, Spartan king niaonida customs rate 300 warriors in the hot spring recalcitrate 3 days, ultimate traitor, and