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 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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
• 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。
• The mechanism of many earthquake precursors is related to fluids deep inside the Earth.
  许多地震前兆的机理与地球深部流体相关。
• 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。