precursor
听听怎么读
英 [pri:ˈkɜ:sə(r)]
美 [priˈkɜrsə(r)]
是什么意思
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
学习怎么用
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.
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.