powder crystal

例句：

1. 1.The powdered crystals sparkle in the sunlight.
   粉末晶体在阳光下闪烁。
2. 2. The fine crystals are used in making glass.
   这些细晶体用于制作玻璃。
3. 3. The powdered crystals were scattered on the table.
   粉末晶体被撒在了桌子上。