We already possess,in the artesian well,the means of converting unfertile wastes into rich corn fields; and what unknown forces may not yet be hidden in the interior of the earth?是什么意思_We already possess,in the artesian well,the means of converting unfertile wastes into rich corn fields; and what unknown forces may not yet be hidden in the interior of the earth?在线翻译_英语_读音_用法_例句