常見例句Provides protection from UVA and UVB rays. 提供保護、修護肌膚、調(diào)理平衡膚值的功效。This broad-spectrum sunblock defends skin against UVA and UVB rays. 寬譜防曬,幫助皮膚抵御UVA和UVB。Just as UVA, UVB can also reduce the B-form DNA components. 與UVA情況相似,UVB在一定程度上也能使DNA的B型構(gòu)像減少。They should block 99-100% of the UVA and UVB radiation. 太陽鏡應(yīng)該阻擋99-100%25 的紫外線或的輻射。Clear double pane windows will reject almost all of the UVB energy. 雙層清玻的玻璃窗戶幾乎能阻絕UVB能量.UVA is responsible for tanning and UVB, for sunburn. UVA主要針對曬黑和UVB則主司曬傷。 返回 UVB