Uv-b
[医][=ultraviolet-B radiation]紫外线B辐射
🧩 词语组成解析
abbr. 紫外的（ultraviolet）
🗣️ 情景例句
Australia is a unique country.
澳大利亚是世上独一无二的国家。
It is not the gay coat that makes the gentleman.
君子在德不在衣。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，