perambulation
 徘徊,巡迴,勘查
 Per·am·bu·la·tion n.
 1. The act of perambulating; traversing.
 2. An annual survey of boundaries, as of town, a parish, a forest, etc.
 3. A district within which one is authorized to make a tour of inspection. “The . . . bounds of his own perambulation.” [Obs.]
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 perambulation
      n 1: a walk around a territory (a parish or manor or forrest
           etc.) in order to officially assert and record its
           boundaries
      2: a leisurely walk (usually in some public place) [syn: amble,
          promenade, ramble, saunter, stroll]