Carpals short,fourth metacrpal expanded but unfused with the third metacarpal.
腕较短，4扩展但不与3末端愈合。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
And the bones, while still unfused, were sturdy enough to have allowed them to go outside the nest.
头，虽然还没有融，但已经足够坚固，可以让它们走出巢穴。
And it mixed some of the amphibian features of its ancestors, like unfused shoulder bones, with features associated with reptiles, like strong leg and back bones.
它混了其祖先一些两栖动物特征，如未融， 以及与爬行动物相关特征，如强壮腿和背。
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划词翻译
详细解释
较短，
4
头，虽然还
球-动物趣闻
一些两栖动物特征，如未融
