vi.

1. 旅行
   My uncle is travelling in South America.

   我叔父在南美洲旅行。

2. （光、声音等）行进，传导[Q]
   Light travels faster than sound.

   光的速度比声音快。

3. 旅行推销货物[Q]
   He travels for our firm.

   他为我们公司旅行推销货物。

4. 【口】快速前进，飞驰
5. 移动，（眼睛）扫视
   Her eyes traveled over the scene.

   她双目扫视了一下这个场面。

6. 交往[（+with）]

vt.

1. 在……旅行，游遍
   They travelled Australia from end to end.

   他们游遍了澳洲。

2. 经过，走过，驶过（距离）
   The youngsters travel long distances to school every day.

   孩子们每天走很远的路上学。

n.

1. 旅行，游历[U]
   We had ten day's travel by train.

   我们乘火车旅行了十天。

2. 漫游；海外旅行[P]
3. 游记[P]

v.

1. make a journey.
   ▸journey along (a road) or through (a region).
2. move or go.
   ▸informal (of a vehicle) move quickly.
3. withstand a journey without impairment:
   this wine travels well.

n.

1. the action of travelling.
   ▸ (travels) journeys, especially abroad.
   ▸ [as modifier] (of a device) sufficiently compact for use when travelling.
2. the range, rate, or mode of motion of a part of a machine.