名词
中文翻译：前导元素
同义词：
['promoter', 'initiator', 'precursor']
例句：
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1.The discovery of this new drug is a significant breakthrough in the field of medicine.
这种新药的发现是医学领域的一大突破。
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2.The process of oxidation is a crucial step in the formation of many compounds.
氧化过程是形成许多化合物的关键步骤。
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3.The study of pregeminum has led to the development of new drugs and treatments for various diseases.
对前导物的研究表明，已经开发出了治疗各种疾病的新药物和治疗方法。