例句與造句

1. Millions of years ago , metamorphic schists , gneisses and quartzites formed impressive , flat - topped inselbergs on a vast plain in the shadow of kilimanjaro
   百萬年前，變質(zhì)的石板片麻巖和石英巖，在乞力馬札羅山附近廣闊的平原形成壯觀島嶼似的
2. It's difficult to find metamorphic schists in a sentence. 用metamorphic schists造句挺難的