英语词汇class echinoidea是什么意思，class echinoidea的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	class echinoidea
释义	DEFINITIVE EXAMPLES 权威例句〔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，包括沙钱和海胆美国传统〔sea urchin〕Any of various echinoderms of the class Echinoidea, having a soft body enclosed in a round, symmetrical, calcareous shell covered with long spines.海胆：任一种棘皮纲的棘皮动物，具有被圆形对称的螺旋状贝壳包含的柔软躯体，贝壳表面布满棘刺美国传统
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