tetrapod

基本解釋

There was, however, one characteristic of Acanthostega that called to mind neither tetrapod nor fish.
然而牠有一個特徵卻不屬于四足動物也不屬于魚類。
Although biologists can easily induce extra limbs to grow on the flank of a tetrapod, this cannot be done in the neck.
雖然生物學家能輕易讓四足動物在側腹長出額外的肢，在頸部卻做不到。
And the fusing of bones making up the lower jaw fortified this region, facilitating the presumed“ buccal pump” mode of tetrapod ventilation.
下頷部位骨頭的愈合也加強支撐力，幫助可能以口部當做幫浦的形式換氣。
Tetrapod For example, fingers or toes is not new to us by our ancient ancestors of fish they are the distal radial evolved.
對于四足動物來說，手指或腳趾絕對不是新鮮的事物，它們是由遠祖魚類的橈骨遠端進化而來。
For one thing, its ribcage would have restricted the lateral undulation of the trunk that typically occurs in tetrapod movement.
典型四足動物的運動方式是軀干左右搖擺，而牠的胸廓會妨礙做這種運動。