名词
中文翻译：弧尖
同义词：
['arc', 'apex', 'point']
例句：
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1.The arc tip of the sword is sharp enough to cut through metal.
剑的弧尖足够锋利，能够切断金属。
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2.The arc tip of the mountain range is visible from the top of the hill.
山脉的弧尖从山顶可见。
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3. The arc tip of the bridge is designed to be stable and safe for pedestrians.
桥梁的弧尖设计用来稳定且安全地供行人通行。