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 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。 - 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。 - Is the precursor of DHA to promote brain development and enhance memory.
的前体，促进脑力发育和增强记忆力。 - 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。 - 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。 - Small cell lung cancer is neuroendocrine neoplasm and origins from apud ( amine precursor uptake decarboxylation) cell.
小细胞肺癌是神经内分泌肿瘤，起源于apud（胺前体摄取脱羧化）细胞。 - 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。 - The effects of orthophosphoric acid concentration in precursor preparation on the catalyst behavior have been studied.
考察了前驱体制备过程中磷酸含量对催化剂性能的影响。 - This is because the active drug ingredient is not dopamine itself but various precursor molecules.
这是因为活性治疗药物成分不是多巴胺本身，而是一些前体药物。 - Homology analysis indicated that the protein is identical to the eggshell precursor protein of F.
同源性分析表明该基因编码蛋白质可能具有肝片吸虫卵壳前体蛋白相似的性质和功能。