同根派生 ventral roots相關(guān)詞英漢例句The change of spinal cords, ventral roots and siatic nerves were observed by LM &EM microscopy.前根及坐骨神經(jīng)的變化，表現(xiàn)為軸索變性及繼發(fā)的髓鞘改變。ventral roots更多例句