And specimens of Ichthyostega also found on our expedition to eastern Greenland revealed that it, too, had a foot with more than five digits.是什么意思_And specimens of Ichthyostega also found on our expedition to eastern Greenland revealed that it, too, had a foot with more than five digits.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句