The river deposit, which is made up of naturally graded sand and gravel, is characterized by its well gradation, easy control of its particle size, easy compaction and good permeability.

这种天然级配砂砾具有级配良好、粒径易控制、易碾压成型、透水性好等特点。

youdao

The Mississippi River, which used to sweep up dirt in one stretch of the delta only to deposit it in another, has now been channelled, for flood-prevention, to wash the land into the sea.

原本密西西比河冲刷三角洲一端松土的同时另一端沉积着，现在因为要预防洪水被改道了，因此会有陆地被河水冲走。

youdao

The source of uranium and manner of deposition is probably similar to the deposit at South A. River.

铀的来源和沉淀方式可能与南阿利·盖特河的矿床类似。

youdao

Sand bar: accretionary deposit of sand formed across a river mouth or bay by wave action and joined to the shore at both ends.

UNESCO: L O S S A R Y

Flood-tide delta: accretionary deposit of sand found on the bay or river side of an inlet and usually formed by tidal currents.

UNESCO: L O S S A R Y

When you go to the west of the Mississippi River, they're actually going to have to take sand from offshore, actually deposit it on the seabed and then retransmit it to make the berms on the islands.

WHITEHOUSE: Daily Press Briefing