travel的过去式:traveled。
ravel
英 [ˈtrævl] 美 [ˈtrævəl]
n.
旅行;进行;移动;漫游
vi.
旅行;传送;前进,行进;[篮球]走步
vt.
经过,通过;游历
例句:
If you travel, you go from one place to another, often to a place that is far away.
你最好明天赶赴赫尔辛基。
Getting to and from school involves two hours' travelling a day.
往返学校每天要两个小时的行程。
When light or sound from one place reaches another, you say that it travels to the other place.
当声音在水中传播时,可能会发生奇怪的现象。