什么是 convulsing?To shake or agitate violently: tremors that convulsed the countryside. See Synonyms at agitate.To disturb or upset severely: Strikes and riots convulsed the nation.To affect with irregular and involuntary muscular contractions; throw into convulsions.To cause to shake with laughter or strong emotion.To become affected by convulsions; shake.To be disturbed or upset: The region convulses with change.