tiáo / zhěng / piān / zhèn / piàn / de / jiǎo / dù / hòu / yán / jiū / rén / yuán / guān / chá / dào / le / míng / xiǎn / de / xiāo / guāng

调整偏振片的角度后，研究人员观察到了明显的消光。

After adjusting the angle of the polarizer, the researchers observed clear extinction.