n.
a loud resonant repeating noise
同义词：clangclangorclangourclangoringclankclash
a serious accident (usually involving one or more vehicles)
"they are still investigating the crash of the TWA plane"
同义词：wreck
a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
同义词：collapse
the act of colliding with something
"his crash through the window"
同义词：smash
(computer science) an event that causes a computer system to become inoperative
"the crash occurred during a thunderstorm and the system has been down ever since"
