形容词
中文翻译：勤勉的
同义词：
['prompt', 'diligent', 'diligently']
例句：
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1. She is a promptive worker who always completes her tasks on time.
她是一个勤勉的工人，总是按时完成任务。
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2. The manager was impressed by the promptiveness of his employees.
经理对他的员工勤勉印象深刻。
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3. The promptive nature of the task made it easy for him to finish in record time.
任务的勤勉性质使他能够以创纪录的速度完成工作。