precursor什么意思 precursor音标、翻译、用法
precursor音标
英 [pri:ˈkɜ:sə(r)]
美 [priˈkɜrsə(r)]
precursor翻译
n.
前辈，前驱，先锋，前任；预兆，先兆，初期形式；[核]前驱波，初级粒子；预报器
变形
复数：precursors
英英释义
precursor[ pri:'kə:sə, pri- ]
n.a substance from which another substance is formed (especially by a metabolic reaction)a person who goes before or announces the coming of another
同义词：forerunner
an indication of the approach of something or someone
同义词：harbingerforerunnerherald
precursor用法
词组短语
precursor chemicals易制毒化学品
双语例句
用作名词(n.)The precursor of the modern car was a horseless carriage with a petrol engine.
现代汽车的前身是不用马拉的，装有汽油发动机的车子。Her precursor as school principal was an eminent educator.
她任校长前是一位卓越的教育家。Opposition by colonists to unfair taxation by the British was a precursor of the Revolution.
殖民地居民对英国不公正税收的反抗预示着革命的到来。Lysine is a precursor of certain alkaloids.
赖氨酸是某些生物碱的前体。
权威例句
The precursor of Alzheimer's disease amyloid A4 protein resembles a cell-surface receptor
Determination of malonaldehyde precursor in tissues by thiobarbituric acid test.
Human tumour necrosis factor: precursor structure, expression and homology to lymphotoxin
β-Secretase Cleavage of Alzheimer's Amyloid Precursor Protein by the Transmembrane Aspartic Protease BACE
Segregation of a missense mutation in the amyloid precursor protein gene with familial Alzheimer's disease.
Alzheimer-type neuropathology in transgenic mice overexpressing V717F β-amyloid precursor protein
Tyrosine 687 phosphorylated Alzheimer's amyloid precursor protein is retained intracellularly and exhibits a decreased turnover rate
The ubiquitinproteasome pathway is required for processing the NF-κB1 precursor protein and the activation of NF-κB
ChemInform Abstract: Formation of High㏎uality CdTe, CdSe, and CdS Nanocrystals Using CdO as Precursor.
Impaired recruitment of bone-marrow-derived endothelial and hematopoietic precursor cells blocks tumor angiogenesis and growth.