precursors

英 [pri(ː)ˈkɜːsəz]

美 [priˈkɜrsərz]

n. 先驱; 先锋; 前身
precursor的复数

柯林斯词典

N-COUNT 先驱；先锋；前身
Aprecursorof something is a similar thing that happened or existed before it, often something which led to the existence or development of that thing.
1. Real tennis, an ancient precursor of the modern game, originated in the eleventh century...
  室内网球，现代网球运动的古老前身，起源于11世纪。
2. He said that the deal should not be seen as a precursor to a merger.
  他说该笔交易不应该被看作是合并的前兆。

双语例句

Most of the metabolites were flavoring compounds and flavoring precursors for food, and also an integral part of aroma-producing& flavoring-producing substances in Maotai liquor.
这些物质中有多种是食品中的风味物质和风味前体物质，亦是茅台酒众多呈香呈味物质中的组成部分。
The induction effect of structural and functional analogs and the precursors of JA on floret opening, were investigated.
研究了茉莉酸结构类似物、功能类似物以及茉莉酸生物合成的前体物对水稻颖花开放的诱导效应。
The study on variation regularity of geomagnetic field is fundamental to pick up seismic and geomagnetic precursors.
对地磁场变化规律性的研究是提取地震地磁前兆的基础。
For precursors, confidence would come from empirical observations; understanding mechanisms would be desirable but not necessary.
对前兆来讲，信心来自经验主义的观察；理解机制是期求的，但并非必要。
German World War Two rocket weapons were the precursors of modern space rockets.
德国在二战中的火箭武器是现代航天火箭的前身。
The seismo-electromagnetic precursors have been considered as an effective means of the short-term and imminent earthquake prediction.
强震前存在地震电磁异常现象已被大量强震震例所证实，分析地震电磁前兆已成为地震短临预测的有效手段。
The statistical inspection of the relationship between precursors and earthquakes plays a very important role in probability prediction.
前兆和地震之间的关系的统计检验对于概率预测起着十分重要的作用。
Gray and Burns were precursors of the Romantic movement in English Literature.
格雷和伯恩斯是英国文学浪漫主义运动的先驱。
It indicated that the geomagnetic anomaly is a promising phenomenon in the studies of earthquake precursors.
说明地磁异常变化是一种有希望的地震前兆现象。
You can also induce the cells by using compounds called precursors to produce other new compounds by way of biotransformation.
你还可以用前体化合物让细胞通过生物转化的方式制造其他新的化合物。