单词 | 海鞘 |
释义 | 〔tunicate〕Any of various chordate marine animals of the subphylum Tunicata or Urochordata having a cylindrical or globular body enclosed in a tough outer covering and including the sea squirts and salps.被囊动物:属于尾索亚门或囊亚门的各种脊索类海生动物中的一种,身体呈圆形或球形,包在坚硬的壳中,这动物包括海鞘和萨尔帕属的背囊动物〔test〕A hard external covering, as that of certain amoebas, dinoflagellates, and sea urchins.甲壳:特定种类的变形虫、双鞭毛虫和海鞘的外部硬壳 |
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