帮忙看下这句话,OG上的Many incomplete skeletons were found but they in
帮忙看下这句话,OG上的 Many incomplete skeletons were found but they included,for the first time in an archaeocyte,a complete hind leg that features a foot with three tiny toes. 这里feature怎么用的,for the first time in an archaeocyte这里什么意思
这篇essay是源于The oringins of cetaceans,鲸类动物的起源. 这句话的整个意思是:尽管这些骨骼是不完整的,但专家发现它们包含着完整的后肢,这些后肢鲜明特征是后足带有三个小足趾,这是迄今为止在原始动物中的第一次发现. for the first time in an archaeocyte的意思就是“这是迄今为止在原始动物中的第一次发现”. features是修饰hind leg 的,意为后肢的特征.