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

• 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。
• In many ways, they were the precursors to modern mash-ups& sort of like local mash-ups.
  在许多方面，它们是现代mash-up的前身&有点像本地mash-up。
• Research progress on preparation methods for precursors of lithium ion-sieve
  锂离子筛前驱体制备方法的研究进展
• Influence of Irrigation Pattern on DOC and Formation of DBPs Precursors in Soil
  灌溉模式对土壤中DOC及DBPs前驱物形成的影响
• Various preparation methods of lithium-manganese oxide and lithium-titanium oxide which act as precursors of lithium ion-sieves were introduced, respectively.
  详细介绍了作为锂离子筛前驱体的锂锰氧化物和锂钛氧化物的制备方法，包括固相烧结法和液相反应法等。
• They can be used in researches of seismic precursors, and have made many contributions to exploration of subsurface structure.
  在地震前兆的探讨方面占有一席之地；在探测地下构造中有许多贡献。
• The mediaeval burgesses and the small peasant proprietors were the precursors of the modern bourgeoisie.
  中世纪的城关市民等级和小农等级是现代资产阶级的前身。
• 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。
• 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。
• The pink intranuclear inclusions in the erythroid precursors seen here are characteristic for parvovirus infection.
  红细胞前体内的粉红色核内包涵体是微小病毒感染的典型特征。