海底擴張說 Save Sign in to save words Simplified: 海底扩张说 hǎidǐkuòzhāngshuō ㄏㄞˇ ㄉㄧˇ ㄎㄨㄛˋ ㄓㄤ ㄕㄨㄛ theory of seafloor spreading (geology) Character by character 海(hǎi)surname Hai 底(dǐ)bottom 擴(kuò)enlarge 張(zhāng)surname Zhang 說(shuō)speak A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0