名词

1. 同伴;伴侣;同行者
A companion is someone who you spend time with or who you are travelling with.

1. one paid to accompany or assist or live with another

2. a friend who is frequently in the company of another

e.g. drinking companions
comrades in arms

Synonym: comradefellowfamiliarassociate

3. a traveler who accompanies you

Synonym: fellow travelerfellow traveller