cataclysm
noun /ˈkætəklɪzəm/
/ˈkætəklɪzəm/
(formal)- a sudden disaster or a violent event that causes change, for example a flood or a war
（突然降临的）大灾难，大灾变，大动乱 - to survive the cataclysm of the Black Death
从黑死病的灾难中幸存下来
词源early 17th cent. (originally denoting the biblical Flood described in Genesis): from French cataclysme, via Latin from Greek kataklusmos ‘deluge’, from kata- ‘down’ + kluzein ‘to wash’. - to survive the cataclysm of the Black Death