当时: at once, right away...
出土: to dig up, to appear in an excavation, unearthed, to come up out of the ground...
农民工: migrant worker (who moved from a rural area of China to a city to find work)...
资源: natural resource (such as water or minerals), resource (such as manpower or tourism)...
赌: to bet, to gamble...
灭亡: to be destroyed, to become extinct, to perish, to die out, to destroy, to exterminate...
千钧一发: a thousand pounds hangs by a thread (idiom), imminent peril, a matter of life or death...
燃烧: to ignite, to combust, to burn, combustion, flaming...
不同寻常: out of ordinary...
整数: whole number, integer (math.), round figure...