n.沖刷(刷凈；清除；除去；冰水沉積)

In turn outwash each tooth each tooth surface. 依次刷凈每個牙齒的每個牙面。

The sea gull unfolds pair of wings , sliding out a consummate arc in azure sky, exquisite sand grain of white turns motion over and over under dark blue seawater outwash. 海灘邊的鵝卵石被洗得格外明凈。

They include U-valleys, knife-edge crests, horns, cirques and firn-basins, as well as many glacial erraticboulders, outwash sediments, moulins, deformed pebbles and streak pebbles in U-valleys. 為研究該區(qū)古氣候、古環(huán)境演化提供重要依據(jù)，為我國第四紀冰期劃分和對比提供重要資料和證據(jù)。

Quaternary Lacustrine Outwash: Significance to the Western Qaidam, China 柴西第四紀湖泊冰水沉積的發(fā)現(xiàn)及意義

fluvial outwash 河流沖積