资料来源 : pyDict

世界一周旅行,周游世界

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Circumnavigation \Cir`cum*nav`i*ga"tion\, n.
   The act of circumnavigating, or sailing round. --Arbuthnot.

资料来源 : WordNet®

circumnavigation
     n : traveling around something (by ship or plane); "Magellan's
         circumnavigation of the earth proved that it is a globe"