precursor
英 [priˈkɜːsə(r)]
美 [priˈkɜːrsər]
n. 先驱; 先锋; 前身
复数：precursors
Collins.1 / BNC.10361 / COCA.9664
牛津词典
noun
- 先驱；先锋；前身
a person or thing that comes before sb/sth similar and that leads to or influences its development
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.- 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。 - 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。
- Real tennis, an ancient precursor of the modern game, originated in the eleventh century...
英英释义
noun
- something that precedes and indicates the approach of something or someone
- a person who goes before or announces the coming of another
- a substance from which another substance is formed (especially by a metabolic reaction)
双语例句
- An amino acid that is essential for growth and normal metabolism; a precursor of niacin.
生长和正常的新陈代谢所必需的氨基酸，烟酸的前体。 - 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。 - Cyanide can serve as precursor for the amide nitrogen of asparagine.
***可以作一个天门冬酰胺的酰胺氮前体。 - Based on studies of precursor events and unusual animal behavior, a warning was issued by local authorities.
当地政府根据震前先兆与动物的反常行为，发出了地震预警。 - An amino acid found in most proteins; a precursor of several hormones.
多数蛋白质中的氨基酸，是许多激素的前体。 - 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。 - IDOL can even mediate the degradation of the receptor precursor in the endoplasmic reticulum.
甚至，IDOL能调解内质网中受体前体的降解。 - The sol-gel coating was prepared with cellulosic fabrics and synthetic fabrics as carriers and TEOS as precursor.
以纤维素织物和合成纤维织物为载体，以硅酸乙酯（TEOS）为水解前驱体，对织物载体进行溶胶凝胶涂层整理。 - Calcium deposits in the coronary arteries are considered a precursor of future heart disease.
冠状动脉中的钙沉积是导致人们将来患上心脏病的先兆症状。 - Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.
***类物质是一大类人工合成的以***为母体的化合物。