death camp (n.)youdaoicibaDictYouDict[death camp 词源字典]
1944, in reference to the Nazis, probably translating German Todeslager; they also were known as extermination camps (German Vernichtungslager); historians usually count six of them: Auschwitz-Birkenau, Chełmno, Bełżec, Majdanek, Sobibór, Treblinka.[death camp etymology, death camp origin, 英语词源]