convulsionn.
英 kən'vʌlʃ(ə)n | 美 kən'vʌlʃən
中文n. [医] 惊厥；动乱；震撼；震动
词根词源
convulsion (n.)1580s, from Latin convulsionem (nominative convulsio), noun of action from past participle stem of convellere "to tear loose," from com- "together" (see com-) + vellere "to pluck, pull violently" (see svelte).
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