n. 1.前辈,前驱,先锋;前任。 2.预兆;先兆。 3.预报器。 4.【原子能】前驱波;初级粒子。
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Crazing is the invariable precursor of brittle fracture . 出现小裂纹必然是脆性断裂的前兆。 These include the chlorophyll precursor protochlorophyllide a . 这些受体包括叶绿素的前体原叶绿酸a。 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。 The immediate transcript of a trna gene is known as precursor trna . TRNA基因的直接转录物叫做tRNA前体。 Cyanide can serve as precursor for the amide nitrogen of asparagine . 氰化物可以作一个天门冬酰胺的酰胺氮前体。 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。 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。 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。 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。 Exogenously supplied aspartate is not an active precursor of asparagine in plant tissues . 外来供给的天门冬氨酸,在植物组织中并不是一个活跃的天门冬酰胺前体。
something that precedes and indicates the approach of something or someone 同义词:harbinger , forerunner , predecessor , herald , a person who goes before or announces the coming of another 同义词:forerunner , a substance from which another substance is formed (especially by a metabolic reaction)
precursorとは意味 :precursor n. 先駆者; 先任者; 前兆. 【形容詞 名詞+】 ◆eohippus, an early precursor of the horse 馬の初期の時代に現われた先祖型, エオヒップス ◆The charabanc was the immediate precursor of the luxury coach. シャラバンは豪華バスの直接の原型だった ◆a modern fa...
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