protein

B2 CET-4 Oxf 5000 大学 FREQ #7786 ★★★☆☆

n. 蛋白质 a. 蛋白质的

发音

UK /ˈpɹəʊ.ti.ɪn/
UK /ˈpɹəʊ.tiːn/
US /ˈpɹoʊ.tiːn/
US /ˈpɹoʊ.ti.ɪn/

词形变化

proteins 复数 proteins

教材释义与例句

名词

蛋白质;朊

释义与例句

n. B2 Oxf 5000
  1. 1.

    Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.

    蛋白质

    朊

    卵白质

    可数 化学 生物 不可数
  2. 2.

    One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods (meat) and some vegetables, such as legumes.

    蛋白质

    卵白质

    不可数 可数
  3. 3.

    A food rich in protein, often a meat or meat substitute.

    可数 不可数

词汇关系

相关短语

词源

From proto- + -ein. Suggested by Jöns Jacob Berzelius in a letter to Gerardus Johannes Mulder, from French protéine and German Protein, both coined based on Ancient Greek πρωτεῖος (prōteîos, “primary”), from πρῶτος (prôtos, “first”).

来源:wiktionary