名词
中文翻译：工作速度
同义词：
['work rate', 'productivity']
例句：
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1. The engineer needs to work at ahigh speed to meet the deadline.
工程师需要以高速工作来满足截止日期。
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2. Thecompany's productivity has been improving steadilyover the past year.
公司过去一年的生产效率一直在稳步提高。
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3. To increase work efficiency,we need to streamline our processes.
为了提高效率，我们需要精简我们的流程。