无定形

例句：

1. 1. The mineral is amorphous and can be easily ground into powder.
   这种矿物是无定形的，可以很容易地磨成粉末。
2. 2. The liquid is non-crystalline and has a clear appearance.
   这种液体是非结晶的，外观清澈。
3. 3. The glass is amorphous and has a smooth surface.
   这个玻璃是非结晶的，表面光滑。