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单词 seafloor spreading
释义 sea·floor spreading
\ˈ ̷ ̷ ˌ ̷ ̷ -\ noun
: the divergence at midocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth's interior of magma which forms new crust
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更新时间:2025/3/12 21:59:50