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

• 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 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。
• 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。
• Study on High Molecular Weight Polyacrylonitrile Precursors for Carbon Fibers
  碳纤维用高分子量聚丙烯腈前驱体的研究
• 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
• 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。
• Cobalt salt was employed as catalyst precursors, copper plate as substrate and ethanol as carbon source.
  采用乙醇催化燃烧法，以钴盐作为催化剂先体、薄铜片作为基底制备碳纳米管。
• Both insulin resistance and fat-marbled muscles are metabolically unhealthy conditions that can be precursors of diabetes.
  从新陈代谢角度来说，胰岛素抵抗和肌肉中脂肪赘生都是不利健康的，是患上糖尿病的先兆。
• 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。