例句與造句

1. 1-Khalifa-zade and others, A Method to Estimate the Speed of Sedimentation in Sedimental Rocks, Moscow, The State Committee of Inventions and Discovers of the USSR ( USSR Patent ), Moscow, USSR, April 15, 1986, http : / / patentdb . su / patents / khalifazade
2. It's difficult to find sedimental rocks in a sentence. 用sedimental rocks造句挺難的