shí / yàn / shì / yòng / qiān / bō / li / zhì / zuò / fáng / hù / chuāng / yǐ / jiǎn / shǎo / fú / shè / yǐng / xiǎng

实验室用铅玻璃制作防护窗，以减少辐射影响。

The laboratory uses lead glass for protective windows to reduce radiation exposure.