例句與造句

1. they deposited a glassy substance, arsenic triselenide, onto a polymer and then rolled it up, creating a layered structure called a photonic crystal
   他們用一種玻璃似的物質(zhì)三硒化二砷，涂在塑膠線上包起來，做成層狀結(jié)構(gòu)的光子晶體。
2. It's difficult to find triselenide in a sentence. 用triselenide造句挺難的