preliminary loosening of sediments

例句：

1. 1. The preliminary results of the study were promising.
   这项研究的初步结果令人鼓舞。
2. 2.We need to go through the preliminary steps before we can proceed with the project.
   在开始这个项目之前，我们需要先完成一些初步步骤。
3. 3. The team will conduct a preliminary analysis of the data before presenting their findings.
   该团队将在展示其发现之前对数据进行初步分析。