conicoid

例句：

1. 1. The river flows through a landscape of conicoid rocks.
   河流流经一片由碎石构成的景观。
2. 2. The engineer used conicoid to reinforce the foundation of the building.
   工程师用碎石加固了建筑的基础。
3. 3.The conicoid was carefully placed to ensure stability in the construction.
   碎石被仔细放置以确保施工的稳定性。