the Volunteer Reserve Forces
noun /ðə ˌvɒləntɪə rɪˈzɜːv fɔːsɪz/
/ðə ˌvɑːləntɪr rɪˈzɜːrv fɔːrsɪz/
[plural]- the parts of the British armed forces for people who are volunteers and train in their free time so they can be used in a national emergency
（英国）志愿兵员预备役部队