Uvb
[医][=ultraviolet light,midrange sunbeam spectrum]紫外线B光谱, 中波紫外线光谱
🗣️ 情景例句
I know you will.
我想你会的。
How are you going?Are you going by boat?
你怎样去?坐船去吗？
I would like you to change this blouse, or else give me my money back.
我想要你换掉这件衬衣，要不就把钱退给我。