echinoids

常见例句

• Echinoids are close relatives of the Asteroids.
  海胆是海星的近亲。
• Pan Huazhang, Yang Shengqiu and Sun Dongli. 1991. The Late Cretaceous-Early Tertiary Marine Gastropod, Echinoids and Brachinopods from the Western Tarim Basin, South Xinjiang, China. Beijing: Science Press.
  潘华璋;杨胜秋;孙东立.;1991
• Standard Guide for Conducting Static Acute Toxicity Tests with Echinoid Embryos
  用海胆纲胚胎做静态剧毒试验的标准指南
• "echinoid:an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins."
  "海胆:一种属于海胆纲的棘皮动物;包括沙钱和海胆.;"
• echinoid
  adj. 海胆状的;海胆属的
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