The California Gold Rush, the construction of railroads and a growing pioneer spirit all contributed to the expansion of the "wild west."
加州淘金热、铁路的建造、日益增长的拓荒精神都为向“蛮荒西部”扩张做出了贡献。
I still work every day to maintain the things I believe in and care about and to uphold the proud pioneer spirit of my family.
我仍然每天努力保持着我所相信和在乎的一切,继承着我们家族的先驱精神。
Choose the white yulan to be Shanghai city flower symbolize a kind of pioneer spirit striving to make progress.
选择白玉兰为上海市市花,象征着一种开路先锋、奋发向上的精神。
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