名词
中文翻译：钢环
同义词：
['iron ring', 'steel band', 'steel hoop']
例句：
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1.The steel ring is securely fastened to the door.
这个钢环被安全地固定在门上。
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2. She wore a steel ring on her left hand as a symbol of her identity.
她左手佩戴着一个钢环，作为她身份的象征。
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3. He placed the steel ring in his pocket and walked away.
他将钢环放进口袋，然后走了出去。