海底扩张说 hǎidǐkuòzhāngshuō seafloor spreading theory Definitions Defs Origin Strokes Stroke Words Sentences Sents 海底扩张说 海底擴張說 hǎidǐkuòzhāngshuō seafloor spreading theory the geological theory that oceanic crust forms along submarine mountain ridges and then spreads out laterally
海底扩张说 海底擴張說 hǎidǐkuòzhāngshuō seafloor spreading theory the geological theory that oceanic crust forms along submarine mountain ridges and then spreads out laterally
