curl up
phrasal verb with curl verb [ I or T ] uk/k??l/ us/k??l/
(POSITION)
蜷缩；蜷坐；蜷卧
to sit or lie in a position with your arms and legs close to your body
She curled up on the sofa to watch TV. 她蜷缩在沙发上看电视。
(EDGES)
卷曲;卷起
If something flat, such as paper, curls up, the edges start to become rounded.
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