名词短语
中文翻译：扩张张力运动
同义词：
['expansion', 'elongation', 'extension']
例句：
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1. The expandingtensional motion of the spring is causingthe furniture to wobble.
弹簧的扩张张力运动导致家具摇摆。
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2. During theexpansion phase, the materialexpands and contracts with changesin temperature.
在膨胀阶段，材料随着温度变化而扩张和收缩。
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3. The expansionof the ocean has caused a rise insea levels.
海洋的扩张导致了海平面上升。