precursor

TOEFLGRE

英[pri?k??s?(r)]
美[pri?k??rs?r]

基本釋義

n.
前輩,前驅,先鋒,前任; 預兆,先兆,初期形式; [核]前驅波,初級粒子; 預報器

詞性變化

實用例句

Error is often the precursor of what is correct.

錯誤常常是正確的先導.

《現代漢英綜合大詞典》

Real tennis, an ancient precursor of the modern game, originated in the eleventh century.

室內網球,現代網球運動的古老前身,起源于11世紀。

柯林斯例句

Error is often the precursor of what is correct, but conceit is the prelude to a fall.

錯誤往往是正確的先導, 驕傲是跌跤的前奏.

《簡明英漢詞典》

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.

辭典例句

Hobbes is a precursor of modern positivism and analytical jurisprudence.

霍布斯是現代實證主義法學和分析法學的先驅.

辭典例句

In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.

植樹細胞中丙氨酸和亮氨酸 、 纈氨酸的主要前體是丙酮酸.

辭典例句

Thiophene, a highly common substance, serves as a versatile precursor to a variety of amino acids.

噻吩是一種很普通的物質, 它可以作為合成各種氨基酸的母體.

辭典例句

The immediate transcript of a t RNA gene is known as precursor tRNA.

tRNA基因的直接轉錄物叫做tRNA前體.

辭典例句

Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.

多數白云石顯然是原來方解石交代的結果,但肯定不是全部.

辭典例句

N - acetylcysteine a precursor of glutathione in cells, is a thiol antioxidant.

乙酰半胱氨酸是細胞內還原性谷胱甘肽的前體, 是一種含有巰基的抗氧化劑.

互聯網

Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.

苯丙胺類物質是一大類人工合成的以苯丙胺為母體的化合物.

互聯網

Glycerate 3 - phosphate is a precursor of the amino acid serine.

甘油 3- 磷酸是絲氨酸的前體.

互聯網

The precursor of the pigment from Peristrophe baphica is an unstable compound.

山藍色素前體是很不穩(wěn)定的化合物.

互聯網

They alter the way it cleaves amyloid precursor protein.

它們改變了這個酶切割淀粉樣蛋白前體的方式.

互聯網

What became of the head of the Precursor is difficult to determine.

這位先驅者的人頭的來源很難確定.

互聯網

英英釋義

Noun
  • 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

同義詞

最新英語單詞

行業(yè)英語