auxiliary earth

例句：

1. 1. The engineer used auxiliary earth to stabilize the slope.
   工程师使用辅助土来稳定斜坡。
2. 2.The construction crew used auxiliary earth to build the foundations.
   施工队使用辅助土来建造地基。
3. 3. The auxiliary earth was carefully placed to prevent any damage to the surrounding area.
   辅助土被小心放置，以防止对周围区域造成任何损害。