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用冰来建造航母?这不是在开国际玩笑吧?你想不到的是,从二战时期到今天,这个异想天开的主意受到了各国政府和科学家们的重视,并认真研究。
Is it not an international joke? What you can not think of from the time of World War II to today, this whimsical idea was taken seriously by governments and scientists all over the world and seriously studied.