Larvacea

常见例句

• a genus of chordates in the class Larvacea.
  幼虫时期具有脊骨的动物种类。
• larvaceans Small transparent animals belonging to the Subphylum Urochordata (tunicates) and found in marine plankton; Class Larvacea.
  幼形海鞘小的透明动物，属于尾索动物亚门(被囊类)而且发现于海洋的浮游生物；幼形纲。
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