词根词缀法
pre-前,先+-curs-流,跑+-or人
词组短语
precursor chemicals易制毒化学品;
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.
来源:《简明英汉词典》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.
来源:词典精选例句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.
来源:网络文摘精选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.
来源:互联网摘选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.
来源:词典精选例句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。
来源:《柯林斯高阶英汉双解学习词典》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.
来源:词典精选例句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.
来源:互联网摘选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.
来源:词典精选例句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.
来源:词典精选例句
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