大西洋洋底在中部形成由北向南的海脊.The floor of the Atlantic ridges in the middle from north to south.一道中海脊是板块之间的边界,在那里新的岩石圈的物质从下部注入.A mid - ocean ridge a boundary between plates where new lithospheric material is injected from below s....

“海脊”的英语可以翻译为：sea ridge ...

“海脊”的拼音为：hǎi jǐ...