early 15c., from Middle French precurseur and directly from Latin praecursor "forerunner," agent noun from past participle stem of praecurrere, from prae "before" (see pre-) + currere "to run" (see current (adj.)). Related: Precursory.
precursor 英文释义
1. a substance from which another substance is formed (especially by a metabolic reaction)
2. a person who goes before or announces the coming of another
3. an indication of the approach of something or someone
precursor 双语例句
1. Error is often the precursor of what is correct.
错误常常是正确的先导.
来自《现代汉英综合大词典》
2. 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。
来自柯林斯例句
3. Error is often the precursor of what is correct, but conceit is the prelude to a fall.
错误往往是正确的先导, 骄傲是跌跤的前奏.
来自《简明英汉词典》
4. 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。
来自辞典例句
5. In the past this had been the precursor to strong decisions.
要是在过去,这就是要采取强力行动的预兆.
来自辞典例句
precursor 实用场景例句
Error is often the precursor of what is correct.
错误常常是正确的先导.
《现代汉英综合大词典》
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。
柯林斯例句
Error is often the precursor of what is correct, but conceit is the prelude to a fall.
错误往往是正确的先导, 骄傲是跌跤的前奏.
《简明英汉词典》
In the past this had been the precursor to strong decisions.
要是在过去,这就是要采取强力行动的预兆.
辞典例句
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.
辞典例句
In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.
植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.
辞典例句
Thiophene, a highly common substance, serves as a versatile precursor to a variety of amino acids.
噻吩是一种很普通的物质, 它可以作为合成各种氨基酸的母体.
辞典例句
The immediate transcript of a t RNA gene is known as precursor tRNA.
tRNA基因的直接转录物叫做tRNA前体.
辞典例句
Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.
多数白云石显然是原来方解石交代的结果,但肯定不是全部.
辞典例句
N - acetylcysteine a precursor of glutathione in cells, is a thiol antioxidant.
乙酰半胱氨酸是细胞内还原性谷胱甘肽的前体, 是一种含有巯基的抗氧化剂.
互联网
Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.
苯丙胺类物质是一大类人工合成的以苯丙胺为母体的化合物.
互联网
Glycerate 3 - phosphate is a precursor of the amino acid serine.
甘油 3- 磷酸是丝氨酸的前体.
互联网
The precursor of the pigment from Peristrophe baphica is an unstable compound.
山蓝色素前体是很不稳定的化合物.
互联网
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.
互联网
What became of the head of the Precursor is difficult to determine.
