弘扬国学 · 传承文化

melanin

英 ['melənɪn] 美 ['mɛlənɪn]

解释

n. 黑色素
n. (Melanin)人名；(俄)梅拉宁

※ 提供单词"melanin"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

melanin 黑色素

melan-,黑色的，-in,化学名词后缀。用于指黑色素。

英文词源

melanin (n.): dark brown or black pigment found in animal bodies, 1832, Modern Latin, with chemical suffix -in (2); first element from Greek melas (genitive melanos) "black," from PIE root *mel- (2) "of darkish color" (cognates: Sanskrit malinah "dirty, stained, black," Lithuanian melynas "blue," Latin mulleus "reddish"). Related: Melanism; melanistic.

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例句和用法

1. The production of melanin in the skin is stimulated by exposure to the sun.: 皮肤暴露在阳光下就很容易生成黑色素。

2. Freckles are simply concentrations of melanin.: 雀斑不过是高浓度的黑色素.

3. Promote the blood circulation, and accelerate the melanin's decomposition and absorption.: 促进血液循环, 加速黑色素的分解与吸收.

4. The melanin plays an important role on animal body color formation.: 黑色素对动物体色的形成起重要的作用.

5. Therefore melanin metrocyte when not ultraviolet radiation, still mass production melanin.: 因此黑色素母细胞在不受紫外线照射时, 仍然大量生产黑色素.