例句與造句

1. They found huge underwater mud-flow and avalanche deposits on both sides of the atlantic ocean .
   他們發(fā)現(xiàn)在大西洋兩邊都有巨大的水下泥流和冰崩沉積跡象。
2. It's difficult to find avalanche deposit in a sentence. 用avalanche deposit造句挺難的