海底扩张 hǎidǐkuòzhāng seafloor spreading Definitions Defs Origin Strokes Stroke Words Sentences Sents 海底扩张 (海底擴張) hǎidǐkuòzhāng seafloor spreading seafloor spreading (geology) Sources Definitions CC-CEDICT
海底扩张 (海底擴張) hǎidǐkuòzhāng seafloor spreading seafloor spreading (geology) Sources Definitions CC-CEDICT