concentration camp
noun [ C ] uk/kɒn.sənˈtreɪ.ʃən ˌkæmp/ us/kɑːn.sənˈtreɪ.ʃən ˌkæmp/
集中营
a place where large numbers of people are kept as prisoners in extremely bad conditions, especially for political reasons
Nazi concentration camps 纳粹集中营