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

• 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。
• 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 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。
• 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 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。
• 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
• 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。
• 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。
• 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。
• For our evolutionary precursors out in the wild, the fight-or-flight response was a valuable survival mechanism.
  对于那些处于野外进化中的祖先来说，逃跑或战斗响应是一个宝贵的生存机制。