名词
中文翻译：推进者
同义词：
['progressor', 'propellant']
例句：
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1. The company's newproduct is an advancement in technology.
该公司的新产品是技术上的突破。
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2. Thescientist was an advancerof the field.
这位科学家是该领域的先驱。
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3. The team needs anadvancer to help them reach their goals.
团队需要一个推进者帮助他们实现目标。