名词
中文翻译：扩展脊
同义词：
['extension ridge', 'spreading ridge', 'elongated ridge']
例句：
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1. Themountain range is characterized by its many spreading ridges.
山脉以其众多的延伸脊而著称。
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2.The earthquake caused a series of spreading ridges in the ground.
地震导致地面出现了一系列的延伸脊。
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3. The scientist observed the movement of the spreading ridges during the experiment.
科学家在实验中观察到了延伸脊的运动。