名词
中文翻译：边际环状凹陷
同义词：
['marginal depression', "marginal bulge例句：1. The satellite's shadow cast a deep marginal ring depression on the surface of the planet.（卫星的影子在行星表面投下了深深的边际环状凹陷。）2. The researcher discovered a marginal ring depression in the ocean floor that could be a sign of an underwater volcano.（研究者在海底发现了一个边际环状凹陷，可能是水下火山的迹象。）"]
例句：
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1. The satellite's shadow cast a deep marginal ring depression on the surface of the planet.
卫星的影子在行星表面投下了深深的边际环状凹陷。
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2. The researcher discovered a marginal ring depression in the ocean floor that could be a sign of an underwater volcano.
研究者在海底发现了一个边际环状凹陷，可能是水下火山的迹象。
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3.The scientists were puzzled by the unusual marginal ring depression in the region's geological map.
科学家们对该地区地质地图中异常的边际环状凹陷感到困惑。