1.They are on the last lap of their journey round the world.
他球旅行已经进入最后阶段。
2.Mr. Smith is a sophisticated world traveler.
史密斯先生是一位老练球旅行家。
3.An antibiotic-resistant strain of staph bacteria began its globetrotting adventures in Europe and can mutate quickly as it spreads, a new study suggests.