名词
中文翻译：Unknown
同义词：
['point', 'tip', 'edge', 'corner']
例句：
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1.The tip of the pen is used to write letters.
笔尖用来写字。
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2.The tip of a knife is sharp enough to cut through paper.
刀尖足够锋利，可以切穿纸张。
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3. The tip of the ice cream cone is soft and creamy.
冰淇淋锥体的尖端是软而奶油状的。