词汇	mottled paper
释义	mottled paper 暗斑纸
随便看	combination of lenses combination of light sources combination of listening and speaking combination of literature and history combination of load combination of loads combination of logical electric circuit combination of logic circuits combination of love and hatred combination of machines combination of major Combination of Man and Nature combination of materials combination of matrices combination of mechanic and electric Combination of medicament Combination of Medicine combination of medicine and arts Combination of medicines combination of meteorological factors combination of mind and substance combination of mixed grasses combination of modules Combination of morality and law combination of multi-network