twitched []

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附加级

vt.& vi.（使）抽动，（使）颤动（twitch的过去式与过去分词形式）

Her lips twitched with amusement. 她忍俊不禁地颤动着嘴唇。
The child's mouth twitched as if she were about to cry. 这小孩的嘴抽动着，像是要哭。来自《简明英汉词典》