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 theory of seafloor spreading in geology Sources Definitions CC-CEDICT
海底扩张说 (海底擴張說) hǎidǐkuòzhāngshuō seafloor spreading theory theory of seafloor spreading in geology Sources Definitions CC-CEDICT