araysBNC²³⁶²¹³⁺¹ 基本例句 🌏。 Aromatic fibres provide a good filter for UV B rays, but the UPF can be improved markedly with a newly developed, specific UV absorber which also screens UV Arays. 芳香纤维对 UV B段辐射有很好的过滤作用，但随着新开发的也可屏蔽 UV A段辐射的 UV吸收剂的出现 UPF值得到了巨大改善。 cnki