前兆

The precursory signs of an earthquake are often monitored by seismologists.
地震学家常常监测地震的前兆。
There were several precursory events that hinted at the political revolution about to unfold.
有几件预兆性的事件暗示了即将爆发的政治革命。
A sudden drop in temperature was one of the precursory symptoms of the storm.
温度突然下降是风暴来临的前兆之一。
In medical research, precursory markers can indicate the early stages of a disease.
在医学研究中，前驱标志物可以指示疾病的早期阶段。
The increase in seismic activity was a precursory indication of volcanic eruption.
地震活动的增加是火山喷发的前兆迹象。
Financial analysts often look for precursory signals before making investment decisions.
财务分析师在做投资决策时通常会寻找一些先兆信号。
Her paintings showed precursory elements of the modern art movement.
她的画作展示了现代艺术运动的一些先兆元素。
Changes in vegetation patterns could be precursory indicators of climate change.
植被模式的变化可能是气候变化的前期指标。
The precursory negotiation helped pave the way for a successful peace treaty.
预先的谈判为成功签订和平条约铺平了道路。
The precursory phase of innovation is crucial for identifying potential breakthroughs.
创新的预备阶段对于识别可能的突破至关重要。