| 单词 | convulsion |
| 释义 | convulsion n. 1. (usu. in pl.) violent irregular motion of a limb or limbs or the body caused by involuntary contraction of muscles, esp. as a disorder of infants. 2. a violent natural disturbance, esp. an earthquake. 3. violent social or political agitation. 4. (in pl.) uncontrollable laughter. Derivatives convulsionary adj. Etymology: F convulsion or L convulsio (as CONVULSE) |
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