沉积物 chénjīwù sediment Origin Definitions Defs Strokes Stroke Words Sentences Sents 海相沉积物 hǎixiāngchénjīwù oceanic sediment sediment that has accumulated on the ocean floor, especially from a geological perspective碎屑沉积物 suìxièchénjīwù clastic sediment sediment formed from the fragments or debris of pre-existing rocks