noun🔗Shareالبروتين الذي يتكون منه الشعر والأظافرThe protein of which hair and nails are composed."My hair is strong because it has a lot of keratin. "شعري قوي لأنه يحتوي على الكثير من الكيراتين.physiologymaterialsubstancebodyanatomybiologyChat with AIVocabulary GamePractice Reading
