名词
中文翻译：前体
同义词：
['precursor', 'precursor']
例句：
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1.The discovery of the new drug was a significant breakthrough in medicine.
新药的发现是医学上的一个重大突破。
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2.The company's success can be traced back to its founder's vision and hard work.
公司的成功可以追溯到创始人的愿景和辛勤工作。
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3. The research team is working on developing a new type of vaccine as a sprue former.
研究团队正在开发一种新型疫苗，作为前体。