pre·lim·i·nary /prɪˈlɪməˌnɛri/
  初步行動,準備,初步措施,初試(a.)初步的,開始的,預備的
  preliminary
  初步
  Pre·lim·i·na·ry a.  Introductory; previous; preceding the main discourse or business; prefatory; as, preliminary observations to a discourse or book; preliminary articles to a treaty; preliminary measures; preliminary examinations.
  Syn: -- Introductory; preparatory; prefatory; proemial; previous; prior; precedent; antecedent.
  Pre·lim·i·na·ry, n.; pl. Preliminaries  That which precedes the main discourse, work, design, or business; something introductory or preparatory; as, the preliminaries to a negotiation or duel; to take one's preliminaries the year before entering college.
  Syn: -- Introduction; preface; prelude.
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  preliminary
       adj : designed to orient or acquaint with a situation before
             proceeding; "a preliminary investigation"
       n 1: a minor match preceding the main event [syn: prelim]
       2: something that serves as a preceding event or introduces
          what follows; "training is a necessary preliminary to
          employment"; "drinks were the overture to dinner" [syn: overture,
           prelude]