A: Scientists have identified five unique hepatitis viruses, identified by the letters a, b, c, d, and E. While all cause liver disease, they vary in important ways.
答:科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。虽然它们都会引起肝病,但在重要方面又有所不同。
Scientists have identified five unique hepatitis viruses, identified by the letters A, B, C, D, and E. While all cause liver disease, they vary in important ways.
科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。 虽然它们都会引起肝病,但在重要方面又有所不同。
Vitamins A, B, C and E contained in a range of fruit and vegetables are all crucial for keeping the skin cells healthy.
一系列水果和蔬菜中的维生素A、B、C和E是保持皮肤细胞健康的所有关键。
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