不过，紫外光极易遮挡，只需要几片10-4公分厚的不透光材质，即足以让细菌免于受到伤害。

不过，紫外光极易遮挡，只需要几片10-4公分厚的不透光材质，即足以让细菌免于受到伤害。的英文翻译

基本释义

• It is very easy to shield against UV, though; just a few millionths of a meter of opaque material is enough to protect bacteria.