travel(l)ing wave theory

• 行波学说

英英释义

名词 travel:

1. the act of going from one place to another

2. a movement through space that changes the location of something

3. self-propelled movement

动词 travel:

1. change location; move, travel, or proceed, also metaphorically

2. undertake a journey or trip

3. make a trip for pleasure

4. travel upon or across

5. undergo transportation as in a vehicle

6. travel from place to place, as for the purpose of finding work, preaching, or acting as a judge