seafloor

释义

n. 海底

例句

Sea urchins brandish their spines on the seafloor near the Channel Islands.

海胆在海峡群岛附近的海底挥舞着它们的棘突。

Japan plans to test extraction methods to obtain methane hydrates from the seafloor southwest of Tokyo.

日本计划测试开采方法，以从东京西南的海底获得甲烷水合物。