[] a journey to a place and back again for business or pleasure, or for a particular purpose（尤指短程往返的）旅行，旅游◆Bill's away on a trip this week.比尔本周外出旅游了。◆I'm going on a three-day trip to China.我要去中国旅行三天。a journey to or back from a place行程◆The truck was delayed on the return trip.卡车回程中误点了。◆the outward trip外出business trip round trip