| 释义 |
UVB 英ˌjuːviː'biː美ˌjuːviː'biː COCA⁶³⁶⁵⁷BNC⁶¹³⁶⁵
基本例句
n.紫外线B⁶⁷;短波紫外线³³
He suggests choosing a broad-spectrum sunscreen, which blocks both types of UV rays, UVA and UVB, with an SPF of at least30.
选择一款能够阻挡 UVA和 UVB两种射线的广谱防晒产品吧，切记 SPF值要至少达到30以上。 www.chinadaily.com.cn |