sand dollar

短语

n. 海胆; 沙钱

词形变化

sand dollars 复数 sand dollars

释义与例句

n.
  1. 1.

    Any echinoderm of the order Clypeasteroida, having a flat, disk-shaped body with the mouth in a mid-ventral position, and living in sand, on or near the surface.

    沙钱

词汇关系

名词

上位词 1

sea urchin