自由游动的海鞘类幼体；它们有含有脊索的蝌蚪形尾巴。

自由游动的海鞘类幼体；它们有含有脊索的蝌蚪形尾巴。的英文翻译

基本释义

• free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord.