deposition

n. 沉积物；矿床；革职；[律]（在法庭上的）宣誓作证，证词

中文词源

deposition 沉积物

来自deposit, 沉积。

deposition (n.): late 14c., "dethronement, putting down from dignity or authority," from Old French deposicion (12c.), from Latin depositionem (nominative depositio), noun of action from past participle stem of deponere (see deposit (v.)).

Meaning "statements made in court under oath" is from early 15c. Meaning "action of depositing" is from 1590s. Properly, deposition belongs to deposit, but deposit and depose have become totally confused and English deposition partakes of senses belonging to both.

1. de- "down" + posit- + -ion.2. 其它含义：dethronement, putting down from dignity or authority.3. 宣誓作证：留下、记下你的话作为保证、证据。

1. SWCNTs are produced by three main techniques: arc discharge, laser ablation and chemical vapor deposition ( CVD ).: SWCNTs的制备方法很多,包括电弧放电法、激光蒸发法、化学气相沉积法 ( ChemicalVapor Deposition,CVD ) 等.

2. Continued deposition of silt along the coast is crucial in counteracting the rise in sea level.: 海岸边泥沙的不断沉积对于抑制海平面的上升起着至关重要的作用。

4. It was this issue which led to the deposition of the king.: 正是这件事导致了国王被废黜。

5. Deposition is the laying down of sediment that has been transported.: 沉积是已搬运的物质再沉积下来.