a physical disturbance such as an earthquake or upheaval
例句
用作名词(n.)
The child went into convulsions.那孩子全身抽搐起来。
Reactions range from abdominal pain and vomiting to convulsions and death.有可能会引起腹痛，呕吐，抽搐甚至死亡。
The family also said, I should say, the family says he also had Kawasaki disease which is a heart condition that researchers believe can lead to convulsions and seizures.家族声称，他还还有川崎式症，心脏状况不佳，研究人员确信其可能导致抽搐和发作。
