barrier layer

例句：

1. 1. The construction of the barrier layer is crucial for the safety of the project.
   构建屏障层对于项目的安全至关重要。
2. 2.The researcher found that the barrier layer could be a key factor in determining the success of the experiment.
   研究人员发现，屏障层可能是决定实验成功的关键因素。
3. 3.The barrier layer effectively prevents water from seeping through the cracks in the concrete.
   屏障层有效地防止了水分从混凝土的裂缝中渗透出来。