pi·o·neer /ˌpaɪəˈnɪr/
 先鋒,拓荒者,開闢者(vt.)提倡,開闢(vi.)作先驅(a.)最早的,開拓的,先驅的
 Pi·o·neer n.
 1. Mil. A soldier detailed or employed to form roads, dig trenches, and make bridges, as an army advances.
 2. One who goes before, as into the wilderness, preparing the way for others to follow; as, pioneers of civilization; pioneers of reform.
 Pi·o·neer, v. t. & i. [imp. & p. p. Pioneered p. pr. & vb. n. Pioneering.]
 1. To go before, and prepare or open a way for; to act as pioneer.
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 pioneer
      n 1: someone who helps to open up a new line of research or
           technology or art [syn: innovator, trailblazer, groundbreaker]
      2: one the first colonists or settler in a new territory; "they
         went west as pioneers with only the possessions they could
         carry with them"
      v 1: open up an area or prepare a way; "She pioneered a graduate
           program for women students" [syn: open up]
      2: take the lead or initiative in; participate in the
         development of; "This South African surgeon pioneered
         heart transplants" [syn: initiate]
      3: open up and explore a new area; "pioneer space"