Sulcus cingulatus

例句：

1. 1. The carpenter used a chisel to create the Sulcus cingulatus in the door.
   木匠用凿子在门上雕刻出凹槽。
2. 2. The scientist discovered a new species of fish in the Sulcus cingulatus.
   科学家在沟槽中发现了一种新的鱼类。
3. 3. The engineer designed the Sulcus cingulatus for the bridge's structural integrity.
   工程师设计了桥梁的槽以保持其结构完整性。