名词
中文翻译：操作员戒指
同义词：
["operator's ring", "operator's band", "operator's ring"]
例句：
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1. The security guard wore an operator's ring to identify himself.
保安佩戴着操作员的戒指来证明自己的身份。
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2. The engineer had a unique design on his operator's ring.
工程师在操作员的戒指上设计了一个独特的图案。
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3.She presented the ring as a symbol of her commitment to her job.
她将戒指作为对工作的忠诚的象征。