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

• 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。
• 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。
• 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。
• 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。
• Research on statistical distribution of pollutants in municipal wastewater RELEASE OF NO_x AND ITS PRECURSORS DURING COAL GASIFICATION
  城市污水中污染物监测与分布规律探讨煤气化中NO2及其前驱物释放规律研究
• 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。
• Experimental research through to the removal of organic pollutants in the water, disinfection by-products of the precursors to improve the quality of drinking water.
  通过试验研究，达到了去除水中有机污染物、消毒副产物的前体物，提高饮用水水质的目的。
• Effect of infrasound on the proliferation of neural precursors in the subventricular zone of adult rats
  次声对成年大鼠脑室下区神经前体细胞增殖的影响
• 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