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
- This was a necessary precursor to the development of calculus and a precise quantitative science of physics.
这是一个必要的前体的发展，微积分和精确的定量科学的物理学。 - They alter the way it cleaves amyloid precursor protein.
它们改变了这个酶切割淀粉样蛋白前体的方式。 - 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。 - 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。 - 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。 - Provisions on the type, scope, measures and methods for the administration of narcotic drugs, psychotropic drugs and precursor chemicals;
三是规定了麻醉药品、精神药品和易制毒化学品管制的种类、范围、措施和办法。 - They then examined their arteries for arterial stiffness, often a precursor to high blood pressure and heart disease.
然后研究者检查了被测试着的动脉硬化情况。动脉硬化是高血压和心脏疾病的前兆。 - Objective To study the effect of gypenosides on proliferation of neural precursor cells in vitro.
目的探讨不同浓度绞股蓝皂苷对体外培养的神经前体细胞增殖能力的影响。 - It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.
苯丙氨酸是苯化合物以及像箭毒和吗啡等生物碱的前体。 - 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。