Silt

(noun.) mud or clay or small rocks deposited by a river or lake.

埃尔维斯手打

• These jetties so concentrated the flow of waters into a narrow channel as to cause its increased velocity to wash out the mud and silt and deepen the channel. Edward W. Byrn. 十九世纪发明进展.
• Thus vessels laden with coal have been traced that had been many years under the water and deeply covered with sand and silt, and their cargoes brought to the surface. 佚名. 神奇的知识之书.
• An important engineering invention for tunneling through silt or soft soil is the so-called shield. Edward W. Byrn. 十九世纪发明进展.
• The most difficult combination that had to be dealt with under the river was when the bottom consisted of rock and the top of silt and wet sand. 佚名. 神奇的知识之书.
• In tunneling under the river, nearly every conceivable combination of rocks and soils were met, but for the most part the material was silt. 佚名. 神奇的知识之书.

手打:梅格