national service

剑桥词典

the system in some countries by which young people , especially men, are ordered by law to spend a period of time in the armed forces
兵役
In some countries , everyone does two years ' national service after leaving school . 在有些國家，所有人離開學校後都要服兩年兵役。
In Britain , national service was abolished in 1962. 英國在1962年廢除了兵役制。
比較
selective service 返回 national service