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.
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.
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.
A food rich in protein, often a meat or meat substitute.
可数 不可数
词汇关系
上位词 2
下位词 10
部分词 2
整体词 5
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