travel的过去时：travelled；第三人称单数现在时：travels；现在分词：travelling；过去分词：travelled。
travel
英['trv()l] 美['trvl]
vi.旅行；行进；步行；交往
vt.经过；在…旅行
n.旅行；游历；漫游
双语例句1.You had better travel to Helsinki tomorrow.
你最好明天赶赴赫尔辛基。
2.Information on travel in New Zealand is available at the hotel.
新西兰的旅行信息可以在宾馆获取。
3.Dr Ryan travelled the world gathering material for his book.
瑞安博士周游世界为他的书搜集资料。
4.When sound travels through water, strange things can happen.
当声音在水中传播时，可能会发生奇怪的现象。
5.He also collects things for the house on his travels abroad.
他在国外旅游时也为家宅搜集物品作为摆设。
