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。

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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。

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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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And with more flexibility in terms of what applications run on it and how, the Movit mini will paradoxically embrace more of the PC development spirit than its daunting iCompetitor from a PC pioneer.

ENGADGET: Switched On: Apps like to Movit, Movit