ambulacrum / ˌæm byəˈlæk rəm, -ˈleɪ krəm /

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ambulacrum 的定义

n. 名词 noun

plural am·bu·lac·ra [am-byuh-lak-ruh, -ley-kruh]. /ˌæm byəˈlæk rə, -ˈleɪ krə/.

  1. one of the radial areas in an echinoderm, as the sea urchin, bearing the tube feet by which the creature moves.