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N-COUNT
				(未到庭证人提供的)作证书,书面证词
				A deposition is a formal written statement, made for example by a witness to a crime, which can be used in a court of law if the witness cannot be present.
例句
						The jury heard 200 pages of depositions.
						陪审团听取了长达 200 页的书面证词。 
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N-UNCOUNT
				沉淀;沉积
				Deposition is a process in which layers of a substance are formed inside something or on its surface over a period of time.
例句
						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。
						This leads to calcium deposition in the blood-vessels.
						这导致钙在血管中沉积。 
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N-UNCOUNT
				罢免;废黜
				The deposition of a political leader is the removal of him or her from office.
例句
						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。