The stirrup saved Europe, and these new mounted cavalry were celebrated forever after as knights.
马镫拯救了欧洲,而这些马背上的骑兵则以骑士之名被传颂至今。
The stirrup saved Europe, and these new mounted cavalry were celebrated forever after as knights.
这些金属马镫拯救了欧洲,骑兵们受封骑士,从此名垂青史。
In the 1950s and 1960s, DDT was used to eliminate malaria from Europe and North America in a program that, according to the World Health Organisation, saved an estimated 25 million lives.
1950和1960年代,欧洲以及北美把滴滴涕用于消灭疟疾,距世界卫生组织估计,这至少拯救了两千五百万人的生命。
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