1. Convulsive motions; his body made a spasmodic jerk; spastic movements. 骤发的动作；他的身体痉挛的抽动；痉挛的动作。
2. Convulsive motions; his body made a spasmodic jerk; ''. 骤发的动作；他的身体痉挛的抽动；痉挛的动作。