noun🔗Share先驱，前兆，先导。 That which precurses: a forerunner, predecessor, or indicator of approaching events."The new math curriculum was a precursor to significant changes in the school's overall approach to learning. "新的数学课程是学校整体学习方法发生重大变革的先导。eventsignhistoryfuturepossibilitypastChat with AIVocabulary GamePractice Reading
noun🔗Share前体，前驱物。 One of the compounds that participates in the chemical reaction that produces another compound."Sugar is a precursor to the production of caramel in baking. "在烘焙中，糖是焦糖生产的前体。chemistrycompoundChat with AIVocabulary GamePractice Reading
adjective🔗Share前置的，先行的 (of intersymbol interference) Caused by the following symbol."The noisy chatter from the next classroom was a precursor to the disruption in our lesson. "隔壁教室里嘈杂的闲聊声预示着我们的课程会受到干扰。technologyelectronicssignalcommunicationcomputingChat with AIVocabulary GamePractice Reading
