herniated disc
noun/ˌhɜːnieɪtɪd ˈdɪsk/
/ˌhɜːrnieɪtɪd ˈdɪsk/
(North American English, medical)- a slipped disc (= a painful condition caused when one of the discs between the bones of the spine in a person's back moves out of place)
椎间盘突出（=当人背部脊柱骨之间的一个椎间盘移位时引起的疼痛）