selective service
英 [sɪˌlektɪv ˈsɜːvɪs]
美 [sɪˌlektɪv ˈsɜːrvɪs]
n. 选征兵役(法)
牛津词典
noun
- 选征兵役（法）
a system in which people have to spend a period of time in the armed forces by law
柯林斯词典
- (按年龄、体格等条件选征服役者的)选拔征兵，义务兵役
In the United States,selective serviceis a system of selecting and ordering young men to serve in the armed forces for a limited period of time.
英英释义
noun
- compulsory military service