例句與造句

1. Boulder barriers are generally composed of suitably rigid metal nets.
2. It provides a natural boulder barrier from the sea for the Wakapuaka estuary.
3. The most-used passive protection measures are boulder-gathering trenches at the foot of the hillside, metal containment nets, and boulder barriers.
4. Their coloring allows them to blend well with rocky bottom reefs and boulder barriers where they usually live at subtidal depths up to 75 m, but are also found at depths up to 272 m.
5. It's difficult to find boulder barrier in a sentence. 用boulder barrier造句挺難的