bitumen
		
					
									畅通词汇												
					
							 
		
					
									英 
											['bɪtʃəmən]
																
										
													美 
											[bə'tuːmən]
																
										
							 
		
	 
 
	
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																	Noun:
									
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										any of various naturally occurring impure mixtures of hydrocarbons										
																				
										 
																			
																 
							 
						 
					 
				
			 
		
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																							用作名词																						(n.)
											
										
										
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												Bitumen paper can be burnt to gain energy.												
沥青纸可以焚烧以获得能量。
												 
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												In their natural state, oil sands are made of quartz sand covered by layers of water and bitumen.												
在自然状态下
												 
																					
																													                
				            							 
						 
					 
				 
						
			
			
		 
		
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