名词
中文翻译：Unknown
同义词：
['operator', 'operator', 'operator']
例句：
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1. The engineer was the booper of the new machine.
这位工程师是新机器的操作员。
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2. The business owner is the booper of the company.
这位商业所有者是公司的经营者。
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3. The pilot was the booper of the plane.
那位飞行员是飞机的操作者。