adj.痉挛的，突然而无法控制的，抽搐的

She had a convulsive fit, her body jerking uncontrollably.
她突然抽搐起来，身体不受控制地痉挛。
The child clutched his toy with a convulsive grip.
孩子用痉挛的力气紧紧抓住他的玩具。
The old man's hands trembled in a convulsive spasm.
老人的手颤抖着，一阵痉挛。
The sudden noise made him jump, his muscles tensing in a convulsive reaction.
突然的噪音让他一惊，肌肉痉挛般紧绷。
The patient experienced convulsive seizures due to epilepsy.
这位病人因为癫痫而发生痉挛发作。
The emotional trauma triggered a convulsive sob from her.
情感的创伤让她痉挛般地痛哭起来。
He laughed convulsively, unable to control the sudden burst of mirth.
他痉挛般地大笑，无法抑制突然的欢愉。
The convulsive movements of the dancer were mesmerizing.
舞者痉挛般的舞动令人着迷。
The plant shuddered in a convulsive shiver as the wind blew fiercely.
风猛烈吹过，植物痉挛般地颤抖。
The horse reared back with a convulsive toss of its head.
马猛地扬起头，全身痉挛般地后退。