名词
中文翻译：Unknown
同义词：
['heartstone', 'heart-shaped stone', 'heart-shaped gem', 'heart-shaped ornament']
例句：
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1. The heart-shaped stone is a popular gift for Valentine's Day.
心形石头是情人节的热门礼物。
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2. The heart-shaped gem was found in the riverbed of the ancient city.
这颗心形宝石是在古城河床中发现的。
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3. The heart-shaped ornament hung on the wall above her bed.
挂在她床头墙上的心形装饰品。