- n.
1.前輩，前驅，先鋒；前任。
2.預兆；先兆。
3.預報器。
4.【原子能】前驅波；初級粒子。
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precursor中文什么意思
[ pri(:)'kə:sə ] 發(fā)音: 用"precursor"造句
例句與用法
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- Crazing is the invariable precursor of brittle fracture .
出現(xiàn)小裂紋必然是脆性斷裂的前兆。 - These include the chlorophyll precursor protochlorophyllide a .
這些受體包括葉綠素的前體原葉綠酸a。 - In the past this had been the precursor to strong decisions .
要是在過去，這就是要采取強力行動的預兆。 - The immediate transcript of a trna gene is known as precursor trna .
TRNA基因的直接轉錄物叫做tRNA前體。 - Cyanide can serve as precursor for the amide nitrogen of asparagine .
氰化物可以作一個天門冬酰胺的酰胺氮前體。
英文釋義
名詞- something that precedes and indicates the approach of something or someone
同義詞：harbinger, forerunner, predecessor, herald - a person who goes before or announces the coming of another
同義詞：forerunner - a substance from which another substance is formed (especially by a metabolic reaction)