名词
中文翻译：环形物
同义词：
['circle', 'circlet', 'band', 'ringlet', 'circumference']
例句：
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1. The tree has a beautiful ring of leaves around its trunk.
这棵树的树干周围有一圈美丽的叶子。
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2. She wore a silver ring on her left hand.
她左手上戴了一个银戒指。
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3. He put the ring on his finger and looked at it for a long time.
他把戒指套在手指上，看了很长时间。