| 单词 | θ33442 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > member of (sea-urchin) > parts of (11) Subcategories:— spine or fossil spine (3) — rod-like piece in mouth (1) — piece forming oral skeleton (2) — ambulacrum (1) — group of perforated coronal pieces (1) — caecal canal (1) — rounded body attached to sea-urchin (1) — area around tubercle (1) |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。