suddenadj.突然的;出乎意料的n.突发之事
Sudden cardiac心脏
sudden current突发电流
sudden illness急病, 突发性的病
sudden insight顿悟
sudden warming爆发性增温
sudden aphonia暴哑, 暴喑
sudden falling下坠
sudden opening突然开孔
sudden turning延宕
sudden failure突然失效,意外故障