suddenadj.突然的;出乎意料的n.突发之事
Sudden visual loss突然视力丧失
sudden-expansion突扩
sudden load change荷载突变,负荷突变
sudden improvement突然改进/改善
Sudden Termination突停
Sudden heating loss聋,突发性
sudden infant death婴儿猝死
sudden commencement急始
sudden huge profits暴利
sudden death clause[经] 意外死亡条款