boot campWiktionary 原文英美构词拆解boot词干‘US military slang sense of “new recruit”’+camp词干词源说明From boot (“US military slang sense of “new recruit””) + camp.释义名词noun1(chiefly Canada, US, military, colloquial) An initial, basic indoctrination, physical fitness training and basic instruction in service-related subjects for new recruits in the armed forces (army, Air Force, navy