UV levels can be high even on cloudy days.

即使在阴天紫外线辐射也可能很强烈。

youdao

Love is the sun, even on cloudy days, I can feel his light.

父爱是太阳，即使在乌云密布的日子里，我也能感受到他的光芒。

youdao

It was always light and open, even on cloudy days, because of the tall Windows and glass door toward the south and east.

由于朝南和朝东有长长的窗子和玻璃门，室内总是很开阔亮堂，甚至在阴天也是如此。

youdao

C.D.C.officials say people should put on sunscreen before they leave home, even on cloudy or cool days.

VOA: special.2010.07.06

The team from France say the transparent crystal may have been used to locate the Sun even on cloudy days.

BBC: 'Viking sunstone' found in shipwreck