海底擴張說

Simplified: 海底扩张说

hǎidǐkuòzhāngshuō ㄏㄞˇ ㄉㄧˇ ㄎㄨㄛˋ ㄓㄤ ㄕㄨㄛ

    • theory of seafloor spreading (geology)

Character by character

Sources