动词
中文翻译：Unknown
同义词：
['bend', 'straighten', 'curve', 'uncoil']
例句：
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1. The tree's branches are so thick that they can't be unbent.
这棵树的树枝太密了，无法弯曲。
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2. Try to unbend your neck and look up at the sky.
试着把脖子伸直，抬头看天空。
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3. The road was too steep for me to unbend my legs.
那条路太陡了，我腿都弯不起来。