TOEIC Level 900
precursor
noun (名詞)
先驱, 前兆, 先导
📖 详细解析与使用情境
指新技术或趋势的先驱，或某事件的前兆。
📝 实用例句
The recent drop in sales could be a precursor to a larger economic downturn.
最近の売上減少は、より大きな経済不況の前兆となる可能性があります。
✏️ 理解度确认测试
通过实战题目确认你的学习效果
Q1: The development of 3D printing was a _______ to many modern manufacturing innovations.
Q2: Early customer feedback often serves as a valuable _______ to product market acceptance.
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