海相沉积物 hǎixiāngchénjīwù oceanic sediment Definitions Defs Origin Strokes Stroke Words Sentences Sents 海相沉积物 海相沉積物 hǎixiāngchénjīwù oceanic sediment sediment that has accumulated on the ocean floor, especially from a geological perspective
海相沉积物 海相沉積物 hǎixiāngchénjīwù oceanic sediment sediment that has accumulated on the ocean floor, especially from a geological perspective