形容词
中文翻译：Unknown
同义词：
['stiff', 'stiff', 'rigid', 'immobile', 'inflexible']
例句：
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1. Themuscles are so tense that it's hard to move them.
肌肉绷紧到难以移动。
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2.His arm is stiff from sitting in one position for too long.
他的手臂由于长时间保持同一姿势而变得僵硬。
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3.The old man is immobile and can't move without help.
老人无法自行移动，需要帮助。