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(gè)特徵卻不屬于四足動(dòng)物也不屬于魚(yú)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(xué)家能輕易讓四足動(dòng)物在側(cè)腹長(zhǎng)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(qiáng)支撐力，幫助可能以口部當(dāng)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(duì)于四足動(dòng)物來(lái)說(shuō)，手指或腳趾絕對(duì)不是新鮮的事物，它們是由遠(yuǎn)祖魚(yú)類的橈骨遠(yuǎn)端進(jìn)化而來(lái)。
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(dòng)物的運(yùn)動(dòng)方式是軀干左右搖擺，而牠的胸廓會(huì)妨礙做這種運(yùn)動(dòng)。