名词
中文翻译：曲线
同义词：
['arc', 'coastline例句：1. The sun sets over the sinual costa', 'casting a warm glow over the beach.（太阳在曲线般的海岸线上落下，给海滩投下温暖的光辉。）']
例句：
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1. The sun sets over the sinual costa, casting a warm glow over the beach.
太阳在曲线般的海岸线上落下，给海滩投下温暖的光辉。
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2.The ship sailed along the sinual costa, taking in the breathtaking scenery.
船只沿着曲线般的海岸线航行，欣赏着令人叹为观止的风景。
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3.The scientist studied the sinual costa to understand its impact on marine life.
科学家研究曲线般的海岸线以了解其对海洋生物的影响。