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
- Papain-catalyzed synthesis of aspartame precursor z-apm in biphasic solvent system wasinvestigated.
本文报道在两相溶剂体系中利用木瓜蛋白酶催化合成aspartame前体z－apm的研究。 - 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。 - 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。 - 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。 - This prediction was based on a number of geophysical observations of precursor events as well as abnormal animal behavior.
除了对地震前兆的地球物理现象观察，这次地震的准确预测还要多亏对动物异常活动的观察。 - 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。 - Hobbes is a precursor of modern positivism and analytical jurisprudence.
霍布斯是现代实证主义法学和分析法学的先驱。 - 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。 - 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。 - 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***等生物碱的前体。