I guess it took a strong, pioneer spirit.

我看那得有点强烈的开拓精神。

In the opinion of some people the pioneer spirit remains in the American mind.

根据某些人的看法，美国人心中仍保持着先驱者的拓荒精神。

More important, the pioneer spirit is deeply embedded in the American's concept of himself.

更为重要的是，开拓精神已经深深地根植于美国人的自我概念中。

Situational influence of ideological infection, promote the pioneer spirit of perpetuating.

情境熏陶，思想感染，弘扬先驱，精神永存。

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。