- 速记技巧
词根词缀法
pre-前，先+-curs-流，跑+-or人
- 近义词
- leadern.领袖;领先者;首席小提琴手;指挥;社评;要闻;胶卷引片;引导带;顶枝;
- foretasten.预示;先试;试吃;
- heraldn.使者，先驱，通报者;（旧时的）传令官;
- predecessorn.前任，前辈;原有事物，前身;<古>祖先;
- forerunnern.先驱;先驱者;先兆，预兆;
- originaladj.最初的;独创的;原作的;
- signn.迹象;招牌;手势;符号;
- pioneern.先驱;开拓者;
- ancestorn.祖先，祖宗;被继承人;原型;（动物的）原种，先祖;
- foundationn.基础;创办;地基;基金会;粉底;
- parentn.父亲（或母亲）;先辈;根源，起源;保护者;
- harbingern.预言者，预兆;
- originatorn.创作者;发起人;开山祖;起因;
- antecedentn.经历;<数>（比例）前项;<逻>前件;祖先;
- 知识拓展
词组短语
precursor chemicals易制毒化学品；
- 双语例句 更多例句
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.
词典精选例句
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.
词典精选例句
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.
互联网摘选
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.
网络文摘精选
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》
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。
《柯林斯高阶英汉双解学习词典》
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.
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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.
词典精选例句
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.
词典精选例句
- 相关词组
- amyloid beta precursor protein淀粉样β蛋白前体;
- 今日热词
- 热门搜索
- tolerate v.容许;忍受;有耐受性;
- interview n.面试;采访;面谈;v.对…进行面试;采访;面谈;
- symptom n.症状;征兆;
- Every dog has his day 人皆有得意时，风水轮流转;凡人皆有得意日;人人皆有得意时;人皆有出头日;时来运转
- maybe adv.也许;可能;大概;
- chorus n.叠句;副歌;合唱团;歌舞队;合唱歌曲;异口同声;朗诵演员;v.齐声说;齐唱;
- concept n.概念;观念;
- thorough adj.详细的;仔细的;完全的;
- budget n.预算;预算案;预算拨款;一束;vt.& vi.把…编入预算;谨慎花钱;
- shock n.震惊，打击;令人震惊的事;冲击（力）;休克;触电;剧烈震动;减震器;浓密的一堆（头发）;v.使震惊/气愤/厌恶;打击;
- somewhere adv.在某处；到某处网络某个地方；某地；
- refreshments n.茶点( refreshment的名词复数 );点心;（精力的）恢复;精神爽快;
